CVE-2023-29141
Critical
Published: 31 March 2023
Published
31 March 2023
Modified
18 February 2025
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0029
52.9th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-29141 is a critical-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Mediawiki Mediawiki. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 47.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-0887
Vulnerability details
An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mediawiki
mediawiki
≤ 1.35.10 · 1.36.0 — 1.38.6 · 1.39.0 — 1.39.3
fedoraproject
fedora
37
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.