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Vulnerability · Published Mar 31, 2023 · Assigned by mitre

CVE-2023-29141

Critical 9.8

In plain English

A critical-severity security flaw in the mediawiki package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.2%top 31.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12mediawiki1:1.39.4-1~deb12u1DSA-5447-1
Debian:12mediawiki1:1.39.4-1~deb12u1DEBIAN-CVE-2023-29141
Debian:13mediawiki1:1.39.4-1DEBIAN-CVE-2023-29141
Debian:14mediawiki1:1.39.4-1DEBIAN-CVE-2023-29141
Packagistmediawiki/core1.39.3GHSA-5vj8-g3qg-4qh6
Packagistmediawiki/core1.38.6GHSA-5vj8-g3qg-4qh6
Packagistmediawiki/core1.35.10GHSA-5vj8-g3qg-4qh6
Ubuntu:25.10mediawikino fix listedUBUNTU-CVE-2023-29141
Ubuntu:26.10mediawikino fix listedUBUNTU-CVE-2023-29141

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References