CVE-2023-37303
Last modified
CVE-2023-37303 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | <= 1.39.3 |
References
- https://phabricator.wikimedia.org/T338276Exploit, Issue Tracking, Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T338276Exploit, Issue Tracking, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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