All vulnerabilities

Servers and applications

CVE-2019-12472

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Severity
High 7.5
Published
10 Jul 2019
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.27.6, 1.30.2, 1.31.2, 1.32.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • From 1.18.0 before 1.27.6
  • From 1.30.0 before 1.30.2
  • From 1.31.0 before 1.31.2
  • From 1.32.0 before 1.32.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-12472
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-12472