CVE-2026-21631

Impact

Lack of output escaping leads to a XSS vector in the multilingual associations component.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• https://developer.joomla.org/security-centre/1029-20260303-core-xss-vector-in-com-associations-comparison-view.html
• https://github.com/Shirshaw64p/security-advisories/tree/main/CVE-2026-21631