CVE-2020-27620

MEDIUM

Cosmos Skin for MediaWiki <1.35.0 - XSS

Title source: llm
STIX 2.1

Description

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

References (4)

Core 4

Scores

CVSS v3 6.1
EPSS 0.0053
EPSS Percentile 67.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
mediawiki/skin\ < 1.35.0
Published Oct 22, 2020
Tracked Since Feb 18, 2026