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.
2015-09-01T14:59:04.947
2025-04-12T10:46:40.837
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mediawiki | mediawiki | ≤ 1.23.9 | Yes |
| Application | mediawiki | mediawiki | 1.24.0 | Yes |
| Application | mediawiki | mediawiki | 1.24.1 | Yes |
| Application | mediawiki | mediawiki | 1.24.2 | Yes |
| Application | mediawiki | mediawiki | 1.25.0 | Yes |
| Application | mediawiki | mediawiki | 1.25.1 | Yes |
| Operating System | canonical | ubuntu_linux | 15.04 | Yes |