CVE-2023-45363

HIGH

MediaWiki < 1.35.12, 1.36.x-1.39.x < 1.39.5, 1.40.x < 1.40.1 - Denial of Service via Redirect and ConvertTitles Query

Title source: llm
STIX 2.1

Description

An issue was discovered in ApiPageSet.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. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

References (3)

Core 3
Core References
Exploit, Third Party Advisory, Vendor Advisory
https://phabricator.wikimedia.org/T333050
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5520

Scores

CVSS v3 7.5
EPSS 0.2270
EPSS Percentile 97.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (5)
debian/debian_linux 11.0
debian/debian_linux 12.0
mediawiki/core 0 - 1.35.12Packagist
mediawiki/mediawiki 1.40.0
mediawiki/mediawiki < 1.35.12
Published Oct 09, 2023
Tracked Since Feb 18, 2026