UpHeron
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Servers and applications

CVE-2022-34911

An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as…

Severity
Medium 6.1
Published
2 Jul 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.35.7, 1.37.3
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.35.7
  • From 1.36.0 before 1.37.3
  • Version 1.38.0-rc0
  • Version 1.38.0-rc1
  • Version 1.38.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-34911
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-34911