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TI-2024-32106 Aliases CVE-2024-47845GHSA-rxh5-jm9f-fmwj

CSS sanitizer used incorrectly, and is easily bypassed

Priority HIGH 70CWE-116Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00407 35th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Mediawiki - CSS Extension (The Wikimedia Foundation): 1.39.9, 1.41.3, 1.42.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wikimedia FoundationMediawiki - CSS Extension1.39.x to before 1.39.9; 1.41.x to before 1.41.3; 1.42.x to before 1.42.21.39.9, 1.41.3, 1.42.2Patch availableCNA
  • Mediawiki - CSS Extension VendorWikimedia Foundation Affected 1.39.x to before 1.39.9; 1.41.x to before 1.41.3; 1.42.x to before 1.42.2 Fixed in 1.39.9, 1.41.3, 1.42.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wikimedia:wikimedia-extensions-css:*:*:*:*:*:*:*:*1.39.0 to before 1.39.9; 1.41.0 to before 1.41.3; 1.42.0 to before 1.42.2VulnerableWikimedia Foundation
  • cpe:2.3:a:wikimedia:wikimedia-extensions-css:*:*:*:*:*:*:*:* Versions 1.39.0 to before 1.39.9; 1.41.0 to before 1.41.3; 1.42.0 to before 1.42.2 Vulnerable ·Wikimedia Foundation

Remediation

  • Fix · CNA Mediawiki - CSS Extension (The Wikimedia Foundation) Fixed in 1.39.9, 1.41.3, 1.42.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    The Wikimedia Foundation Mediawiki - CSS Extension 1.39.9, 1.41.3, 1.42.2

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2024-32105 Path traversal when loading stylesheetsPriority HIGH 70
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-47845
  2. 2026-10-03 Alias added: GHSA-rxh5-jm9f-fmwj

References

Exploit 1

Patch 1

Advisory 1

  • TI-2024-32105 Path traversal when loading stylesheets CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences