| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki | = 1.18= 1.18.0= 1.18.1= 1.18.2= 1.18.3= 1.18.4= 1.19= 1.19.1= 1.19.2= 1.20≤ 1.18.5 |
Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.
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