CVE-2024-47845

6.9 mediumEPSS 0.4%

Medium (6.9) in wikimedia wikimedia-extensions-css. EPSS 0.4% chance of exploitation in the next 30 days.

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

Severity

CVSS 4.0

6.9 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

8.2 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWE: CWE-116
Published: 2024-10-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wikimedia:wikimedia-extensions-css

References

https://gerrit.wikimedia.org/r/q/I6f38f4a8fc1dcd690ab27b8f18ce6ca903bacc53
https://phabricator.wikimedia.org/T368594
https://phabricator.wikimedia.org/T368628

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