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Medium severity5.4NVD Advisory· Published Apr 1, 2026· Updated Apr 9, 2026

CVE-2026-21631

CVE-2026-21631

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Joomla/Joomla!2 versions
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*range: >=3.0.0,<5.4.4
- (no CPE)
osv-coords
pkg:bitnami/joomla
Range: >= 3.0.0, < 5.4.4

Patches

Vulnerability mechanics

References

2

github.com/Shirshaw64p/security-advisories/tree/main/CVE-2026-21631nvdExploitThird Party Advisory
developer.joomla.org/security-centre/1029-20260303-core-xss-vector-in-com-associations-comparison-view.htmlnvdVendor Advisory

News mentions

0

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