Vulnerability in Mediawiki
CVE-2023-29141
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.
Vulnerability class: HTTP Request Smuggling
EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mediawiki
- Fedoraproject Fedora — versions 37
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Permissions Required, Issue Tracking)
- cve@mitre.org (Release Notes)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2023-29141?
- CVE-2023-29141 is a critical-severity vulnerability in Mediawiki, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.8/10. Published 2023-03-31.
- How severe is CVE-2023-29141?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-29141 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.