| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | ≤ 1.39.3 |
An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.
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