MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline.

Related CVEs

CVE-2017-8812

Key Information

GHSA ID

GHSA-7c6g-3j56-238r

Published

May 13, 2022 1:47 AM

Last Modified

May 13, 2022 1:47 AM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 30, 2025 6:32 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.