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.
CVE ID: CVE-2023-37303
CVSS Base Severity: LOW
CVSS Base Score: 0.0
Vendor: n/a
Product: n/a
EPSS Score: 0.25% (probability of being exploited)
EPSS Percentile: 64.41% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)