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Servers and applications

CVE-2021-26030

An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page

Severity
Medium 6.1
Published
14 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Joomla!Servers and applications · cpe:a:joomla:joomla\!
  • From 3.0.0 up to 3.9.25

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26030
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26030