CVE-2024-23171

MEDIUM

MediaWiki < 1.35.14, 1.36.x-1.39.x < 1.39.6, 1.40.x < 1.40.2 - Cross-Site Scripting via i18n Language Parameter

Title source: llm
STIX 2.1

Description

An issue was discovered in the CampaignEvents extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).

Scores

CVSS v3 5.4
EPSS 0.0042
EPSS Percentile 61.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
mediawiki/mediawiki < 1.35.14
Published Jan 12, 2024
Tracked Since Feb 18, 2026