CVE-2024-47845
CSS sanitizer used incorrectly, and is easily bypassed
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
CSS sanitizer used incorrectly, and is easily bypassed
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.
- Record
CVE-2024-47845- 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 - Weakness
- CWE-116
- Updated
- 2026-11-02
EUVDEUVD-2024-42707
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.
- Record
EUVD-2024-42707- 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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rxh5-jm9f-fmwj
Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS...
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.
- Record
GHSA-rxh5-jm9f-fmwj- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - 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 - Weakness
- CWE-116
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-47845- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - 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 - Weakness
- CWE-116
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-47845 is a medium vulnerability (CVSS 6.9) in The Wikimedia Foundation Mediawiki - Css Extension, published October 5, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.