CVE-2021-36131

MEDIUM

MediaWiki < 1.36 - Authenticated Stored Cross-Site Scripting in SportsTeams Extension

Title source: llm
STIX 2.1

Description

An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.

References (2)

Core 2
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T281196

Scores

CVSS v3 4.8
EPSS 0.0019
EPSS Percentile 40.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
mediawiki/mediawiki < 1.36
Published Jul 02, 2021
Tracked Since Feb 18, 2026