UpHeron
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Servers and applications

CVE-2023-45362

An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.

Severity
Medium 4.3
Published
3 Nov 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.35.12, 1.39.5
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.35.12
  • From 1.36.0 before 1.39.5
  • Version 1.40.0-rc0
  • Version 1.40.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-45362
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-45362