CVE-2021-46150

MEDIUM

MediaWiki < 1.35.5, 1.36.x < 1.36.3, 1.37.x < 1.37.1 - Cross-Site Scripting via Special:CheckUserLog Date Handling

Title source: llm
STIX 2.1

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.

References (2)

Core 2

Scores

CVSS v3 4.8
EPSS 0.0018
EPSS Percentile 39.6%
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 < 1.35.5
Published Jan 10, 2022
Tracked Since Feb 18, 2026