| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | = 1.24.0= 1.24.1= 1.24.2= 1.25.0= 1.25.1≤ 1.23.9 |
The Special:DeletedContributions page in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote attackers to determine if an IP is autoblocked via the "Change block" text.
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