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Medium severity6.1NVD Advisory· Published May 26, 2026· Updated May 27, 2026

CVE-2026-30894

CVE-2026-30894

Description

Lack of output escaping leads to a XSS vector in the content history component.

AI Insight

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

Affected products

4

Joomla/Joomla!inferred2 versions
(expand)+ 1 more
- (no CPE)
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*range: >=3.0.0,<5.4.6
Joomla/com_contenthistoryllm-create
osv-coords
pkg:bitnami/joomla
Range: >= 3.0.0, < 5.4.6

Patches

Vulnerability mechanics

References

1

developer.joomla.org/security-centre/1035-20260503-core-xss-in-com-contenthistorynvdVendor Advisory

News mentions

1

Joomla! May 2026: 18 CVEs Including Critical SQLi, LFI, and Privilege Escalation Flaws
Vypr Intelligence · May 26, 2026