UpHeron
All vulnerabilities

Servers and applications

CVE-2013-4303

includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.

Severity
Medium 6.1
Published
11 Dec 2019
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.19.8, 1.20.7, 1.21.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • From 1.19.0 before 1.19.8
  • From 1.20.0 before 1.20.7
  • From 1.21.0 before 1.21.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-4303
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-4303