All vulnerabilities

Servers and applications

CVE-2021-26032

An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

Severity
Medium 6.1
Published
26 May 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 3.9.26

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26032
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26032