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Vulnerability · Published Nov 3, 2023 · Assigned by mitre

CVE-2023-45362

Medium 4.3

In plain English

A medium-severity security flaw in the mediawiki package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.8%top 43.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12mediawiki1:1.39.5-1~deb12u1DSA-5520-1
Debian:12mediawiki1:1.39.5-1~deb12u1DEBIAN-CVE-2023-45362
Debian:13mediawiki1:1.39.5-1DEBIAN-CVE-2023-45362
Debian:14mediawiki1:1.39.5-1DEBIAN-CVE-2023-45362
Ubuntu:25.10mediawikino fix listedUBUNTU-CVE-2023-45362
Ubuntu:26.04:LTSmediawikino fix listedUBUNTU-CVE-2023-45362
Ubuntu:26.10mediawikino fix listedUBUNTU-CVE-2023-45362

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References