Vulnerability CVE-2023-37303
Published: 2023-06-30

Description:
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.

 References:
https://gerrit.wikimedia.org/r/q/I10a9273c542576b3f7bb38de68dcd2aa41cfb1b0
https://phabricator.wikimedia.org/T338276
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