CVE-2026-73336 — MEDIUM (6.4)

Q: What is CVE-2026-73336?

CVE-2026-73336 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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.

Q: How severe is CVE-2026-73336?

CVE-2026-73336 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-73336?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability 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.

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 5.1.0, < 5.4.8

Related Weaknesses (CWE)

CWE-79

References

https://developer.joomla.org/security-centre/1073-20260806-core-xss-through-scheVendor Advisory
https://www.joomla.org/Product

FAQ

What is CVE-2026-73336?

CVE-2026-73336 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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.

How severe is CVE-2026-73336?

CVE-2026-73336 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-73336?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.