CVE-2020-29003: Mediawiki

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Mediawiki Mediawiki: up to and including 1.35

Published 2020-11-24. Last modified 2026-06-17.