Description
Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki allows remote attackers to inject arbitrary web script or HTML via a crafted feed.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | mediawiki-extensions | 2.3squeeze2 | DSA-2596-1 |
Advisories 1
- DSA-2596-1 mediawiki-extensions - cross-site scripting in RSSReader extension Debian Security (DSA / DLA) · Mar 9, 2026