CVE-2026-73336

Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2

State: Published
Severity: 5.1 Medium
Published: Aug 18, 2026
Updated: Oct 9, 2026
Reserved: Aug 12, 2026

Description

Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	Joomla

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Joomla! CMSJoomla! Project	5.1.0-5.4.6Affected 6.0.0-6.1.2Affected

References

https://www.joomla.org/product
https://developer.joomla.org/security-centre/1073-20260806-core-xss-through-schema-org-outputs.htmlvendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.