CVE-2020-29003

MEDIUM

MediaWiki PollNY extension < 1.35 - Stored Cross-Site Scripting via Poll Answer Option

Title source: llm
STIX 2.1

Description

The PollNY extension for MediaWiki through 1.35 allows XSS via an answer option for a poll question, entered during Special:CreatePoll or Special:UpdatePoll.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T266508

Scores

CVSS v3 5.4
EPSS 0.0029
EPSS Percentile 52.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
mediawiki/mediawiki < 1.35
Published Nov 24, 2020
Tracked Since Feb 18, 2026