| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | < 1.40.2 | 1.40.2 |
An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.
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