Vulnerability Monitor

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CVE-2024-23171

An issue was discovered in the CampaignEvents extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).

Published

2024-01-12T05:15:10.033

Last Modified

2025-06-20T17:15:39.930

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses

Type: Primary
CWE-79
Type: Secondary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	< 1.35.14	Yes
Application	mediawiki	mediawiki	< 1.39.6	Yes
Application	mediawiki	mediawiki	< 1.40.2	Yes

References

https://gerrit.wikimedia.org/r/q/I70d71c409193e904684dfb706d424b0a815fa6f6 Patch ([email protected])
https://phabricator.wikimedia.org/T348343 Exploit, Vendor Advisory ([email protected])
https://gerrit.wikimedia.org/r/q/I70d71c409193e904684dfb706d424b0a815fa6f6 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://phabricator.wikimedia.org/T348343 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)