All vulnerabilities

Servers and applications

CVE-2020-35623

An issue was discovered in the CasAuth extension for MediaWiki through 1.35.1. Due to improper username validation, it allowed user impersonation with trivial manipulations of certain characters within a given username. An ordinary user may be able to login as a "bureaucrat user" who has a similar username, as demonstrated by usernames that differ only in (1) bidirectional override symbols or…

Severity
High 7.5
Published
21 Dec 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version up to 1.35.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-35623
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-35623