What’s Vulnerable › Vulnerabilities

CVE-2022-29969

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-02 · updated 2026-06-17
• Weakness: CWE-79

Description

The RSS extension before 2022-04-29 for MediaWiki allows XSS via an rss element (if the feed is in $wgRSSUrlWhitelist and $wgRSSAllowLinkTag is true).

Affected products

• mediawiki Rss For Mediawiki: before 2022-04-29 — fixed in 2022-04-29

How to fix

Upgrade to a fixed version: mediawiki Rss For Mediawiki 2022-04-29. Check the vendor advisory for mitigations.

References

• https://gerrit.wikimedia.org/r/c/787807
• https://phabricator.wikimedia.org/T307028
• https://gerrit.wikimedia.org/r/c/787807
• https://phabricator.wikimedia.org/T307028

Get alerted when CVE-2022-29969 or the next vulnerability affects your stack