Vulnerability database · updated every 15 minutes
New vulnerabilities in the software websites run.
CVEs and security advisories for WordPress, its plugins and themes, npm, PyPI and the servers behind websites, merged from NVD, the CVE Program, GitHub, OSV.dev and WPVulnerability, with CISA's list of the ones attackers exploit.
- Tracked
- 40,007
- Published in 7 days
- 1,100
- Critical in 30 days
- 386
- Actively exploited
- 423
Latest vulnerabilities
40,007 vulnerabilities- High 8.8
CVE-2016-2157 · Moodle
Cross-site request forgery (CSRF) vulnerability in mod/assign/adminmanageplugins.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 allows remote attackers to hijack the authentication of administrators for requests that manage Assignment plugins.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2016-2156 · Moodle
calendar/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 provides calendar-event data without considering whether an activity is hidden, which allows remote authenticated users to obtain sensitive information via a web-service request.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2016-2155 · Moodle
The grade-reporting feature in Singleview (aka Single View) in Moodle 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 does not consider the moodle/grade:manage capability, which allows remote authenticated users to modify "Exclude grade" settings by leveraging the Non-Editing Instructor role.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2016-2154 · Moodle
admin/tool/monitor/lib.php in Event Monitor in Moodle 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 does not consider the moodle/course:viewhiddencourses capability, which allows remote authenticated users to discover hidden course names by subscribing to a rule.
Published 22 May 2016 · NVD - Medium 6.1
CVE-2016-2153 · Moodle
Cross-site scripting (XSS) vulnerability in the advanced-search feature in mod_data in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 allows remote attackers to inject arbitrary web script or HTML via a crafted field in a URL, as demonstrated by a search form field.
Published 22 May 2016 · NVD - Medium 6.1
CVE-2016-2152 · Moodle
Multiple cross-site scripting (XSS) vulnerabilities in auth/db/auth.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 allow remote attackers to inject arbitrary web script or HTML via an external DB profile field.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2016-2151 · Moodle
user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.
Published 22 May 2016 · NVD - Medium 6.1
CVE-2016-4567 · WordPress
Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by "jsinitfunctio%gn."
Published 22 May 2016 · NVD - Medium 6.1
CVE-2016-4566 · WordPress
Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4544 · PHP
The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Published 22 May 2016 · Fixed in 5.5.35, 5.6.21, 7.0.6 · NVD - Critical 9.8
CVE-2016-4543 · PHP
The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4542 · PHP
The exif_process_IFD_TAG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not properly construct spprintf arguments, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4541 · PHP
The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4540 · PHP
The grapheme_stripos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4539 · PHP
The xml_parse_into_struct function in ext/xml/xml.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (buffer under-read and segmentation fault) or possibly have unspecified other impact via crafted XML data in the second argument, leading to a parser level of zero.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4538 · PHP
The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4537 · PHP
The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2016-4346 · PHP
Integer overflow in the str_pad function in ext/standard/string.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
Published 22 May 2016 · Fixed in 7.0.4 · NVD - Critical 9.8
CVE-2016-4345 · PHP
Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
Published 22 May 2016 · Fixed in 7.0.4 · NVD - Critical 9.8
CVE-2016-4344 · PHP
Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.
Published 22 May 2016 · Fixed in 7.0.4 · NVD - High 8.8
CVE-2016-4343 · PHP
The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.
Published 22 May 2016 · Fixed in 5.5.36, 5.6.18, 7.0.3 · NVD - High 8.8
CVE-2016-4342 · PHP
ext/phar/phar_object.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 mishandles zero-length uncompressed data, which allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted (1) TAR, (2) ZIP, or (3) PHAR archive.
Published 22 May 2016 · NVD - High 8.6
CVE-2016-2222 · WordPress
The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.
Published 22 May 2016 · NVD - High 7.4
CVE-2016-2221 · WordPress
Open redirect vulnerability in the wp_validate_redirect function in wp-includes/pluggable.php in WordPress before 4.4.2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a malformed URL that triggers incorrect hostname parsing, as demonstrated by an https:example.com URL.
Published 22 May 2016 · NVD - Medium 6.1
CVE-2016-1564 · WordPress
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2015-8880 · PHP
Double free vulnerability in the format printer in PHP 7.x before 7.0.1 allows remote attackers to have an unspecified impact by triggering an error.
Published 22 May 2016 · NVD - High 7.5
CVE-2015-8879 · PHP
The odbc_bindcols function in ext/odbc/php_odbc.c in PHP before 5.6.12 mishandles driver behavior for SQL_WVARCHAR columns, which allows remote attackers to cause a denial of service (application crash) in opportunistic circumstances by leveraging use of the odbc_fetch_array function to access a certain type of Microsoft SQL Server table.
Published 22 May 2016 · Fixed in 5.5.38, 5.6.12 · NVD - Medium 5.9
CVE-2015-8878 · PHP
main/php_open_temporary_file.c in PHP before 5.5.28 and 5.6.x before 5.6.12 does not ensure thread safety, which allows remote attackers to cause a denial of service (race condition and heap memory corruption) by leveraging an application that performs many temporary-file accesses.
Published 22 May 2016 · Fixed in 5.5.28, 5.6.12 · NVD - High 7.5
CVE-2015-8877 · PHP
The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.
Published 22 May 2016 · NVD - Critical 9.8
CVE-2015-8876 · PHP
Zend/zend_exceptions.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 does not validate certain Exception objects, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or trigger unintended method execution via crafted serialized data.
Published 22 May 2016 · Fixed in 5.4.44, 5.5.28, 5.6.12 · NVD - High 7.5
CVE-2015-8867 · PHP
The openssl_random_pseudo_bytes function in ext/openssl/openssl.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 incorrectly relies on the deprecated RAND_pseudo_bytes function, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.
Published 22 May 2016 · Fixed in 5.4.44, 5.5.28, 5.6.12 · NVD - Critical 9.6
CVE-2015-8866 · PHP
ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.
Published 22 May 2016 · Fixed in 7.0.27, 7.1.13, 7.2.1 · NVD - Medium 6.1
CVE-2015-8834 · WordPress
Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.2 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-3440.
Published 22 May 2016 · NVD - Medium 5.4
CVE-2015-7989 · WordPress
Cross-site scripting (XSS) vulnerability in the user list table in WordPress before 4.3.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted e-mail address, a different vulnerability than CVE-2015-5714.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2015-5715 · WordPress
The mw_editPost function in wp-includes/class-wp-xmlrpc-server.php in the XMLRPC subsystem in WordPress before 4.3.1 allows remote authenticated users to bypass intended access restrictions, and arrange for a private post to be published and sticky, via unspecified vectors.
Published 22 May 2016 · NVD - Medium 6.1
CVE-2015-5714 · WordPress
Cross-site scripting (XSS) vulnerability in WordPress before 4.3.1 allows remote attackers to inject arbitrary web script or HTML by leveraging the mishandling of unclosed HTML elements during processing of shortcode tags.
Published 22 May 2016 · NVD - Medium 4.3
CVE-2014-9767 · PHP
Directory traversal vulnerability in the ZipArchive::extractTo function in ext/zip/php_zip.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 and ext/zip/ext_zip.cpp in HHVM before 3.12.1 allows remote attackers to create arbitrary empty directories via a crafted ZIP archive.
Published 22 May 2016 · NVD - Medium 5.3
CVE-2016-3739 · curl
The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate.
Published 20 May 2016 · NVD - Critical 9.8
CVE-2016-4073 · PHP
Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.
Published 20 May 2016 · NVD - Critical 9.8
CVE-2016-4072 · PHP
The Phar extension in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via a crafted filename, as demonstrated by mishandling of \0 characters by the phar_analyze_path function in ext/phar/phar.c.
Published 20 May 2016 · NVD - Critical 9.8
CVE-2016-4071 · PHP
Format string vulnerability in the php_snmp_error function in ext/snmp/snmp.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via format string specifiers in an SNMP::get call.
Published 20 May 2016 · NVD - High 7.5
CVE-2016-4070 · PHP
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
Published 20 May 2016 · NVD - High 7.8
CVE-2016-1840 · libxml2
Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - Medium 5.5
CVE-2016-1839 · libxml2
The xmlDictAddString function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - Medium 5.5
CVE-2016-1838 · libxml2
The xmlPArserPrintFileContextInternal function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.
Published 20 May 2016 · NVD - Medium 5.5
CVE-2016-1837 · libxml2
Multiple use-after-free vulnerabilities in the (1) htmlPArsePubidLiteral and (2) htmlParseSystemiteral functions in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allow remote attackers to cause a denial of service via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - Medium 5.5
CVE-2016-1836 · libxml2
Use-after-free vulnerability in the xmlDictComputeFastKey function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - High 7.8
CVE-2016-1834 · libxml2
Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - Medium 5.5
CVE-2016-1833 · libxml2
The htmlCurrentChar function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.
Published 20 May 2016 · Fixed in 2.9.4 · NVD - High 7.3
CVE-2015-8865 · PHP
The file_check_mem function in funcs.c in file before 5.23, as used in the Fileinfo component in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5, mishandles continuation-level jumps, which allows context-dependent attackers to cause a denial of service (buffer overflow and application crash) or possibly execute arbitrary code via a crafted magic file.
Published 20 May 2016 · NVD
Where it comes from
The list holds every advisory UpHeron reads for the software it watches: WordPress and every plugin and theme its plugin reports, the packages in monitored repositories and manifests, and the servers and frameworks found on monitored websites. One vulnerability from several sources is one entry, under its CVE.
- NVD, the US National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- New and changed records of the CVE Program, read every 15 minutes, so a rating or fix added after a CVE is published reaches the list, and its alerts, within the hour. CVE content © 1999–2026 The MITRE Corporation, used under the CVE terms of use; CVE® is a registered trademark of The MITRE Corporation.
- OSV.dev, with the GitHub Advisory Database (CC BY 4.0).
- WPVulnerability (CC0) for WordPress plugins and themes, and WordPress's own security advisories.
- Node.js's own security release posts, read every 15 minutes, which name its vulnerabilities the day they are fixed, days before their CVE records.
- The security advisories projects publish on GitHub, and the CVEs libraries such as Brotli name in their release notes, which also count for the runtimes that bundle them.
- CISA's Known Exploited Vulnerabilities catalog.
Each day's new ones, grouped, and every critical one as soon as we find it: on the blog.
Run WordPress? The UpHeron plugin alerts you the day one of these affects your own site.