CVE-2023-45363: MediaWiki Denial of Service vulnerability

high Affects mediawiki/core. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

MediaWiki Denial of Service vulnerability

Package
mediawiki/core Composer
Affected versions
<1.35.12 or >=1.36.0 and <1.39.5 or >=1.40.0 and <1.40.1
Fixed in
1.35.12, 1.39.5, 1.40.1
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV · EPSS 24% (97.8th percentile)
Published
2023-10-09
Source
osv.dev

References

CWE-835
NVD recordmediawiki/core advisories

Am I affected?

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