UpHeron
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Servers and applications

CVE-2018-14631

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.

Severity
Medium 6.1
Published
17 Sept 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.3.8, 3.4.5, 3.5.2
Exploit chance
2.1% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Improper input validation (CWE-20)Cross-site scripting (CWE-79)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • From 3.3.0 before 3.3.8
  • From 3.4.0 before 3.4.5
  • From 3.5.0 before 3.5.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-14631
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-14631