UpHeron
All vulnerabilities

Servers and applications

CVE-2021-30159

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain "fast double move" situations. MovePage::isValidMoveTarget() uses FOR UPDATE, but it's only called if Title::getArticleID() returns non-zero with no special flags. Next, MovePage::moveToInternal() will delete the page if…

Severity
Medium 4.3
Published
9 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.31.12, 1.35.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.31.12
  • From 1.32.0 before 1.35.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-30159
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-30159