CVE-2024-47845: wikimedia-extensio — Exploit

Description

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.

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CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-116 CWE-116

Affected Products

Vendor	Product	Versions
wikimedia	wikimedia-extensions-css	1.39.0 — 1.39.9
wikimedia	wikimedia-extensions-css	1.41.0 — 1.41.3
wikimedia	wikimedia-extensions-css	1.42.0 — 1.42.2

References

Advisories & Patches

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

Exploits

https://phabricator.wikimedia.org/T368594

Frequently Asked Questions

What is CVE-2024-47845? +

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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2024-47845? +

CVE-2024-47845 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-47845? +

CVE-2024-47845 affects products from wikimedia, specifically: wikimedia-extensions-css. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-47845? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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