Authenticated Stored XSS Vulnerability in YOOtheme Pro Joomla Extension
CVE-2026-77996

7.5HIGH

Key Information:

Vendor

Yootheme.com

Status
Yootheme Pro Extension For Joomla
Vendor
CVE Published:
25 August 2026

What is CVE-2026-77996?

The YOOtheme Pro Joomla extension contains an authenticated stored XSS vulnerability resulting from improper escaping in the location custom field. This flaw enables attackers with privileged access to inject malicious scripts, which can execute in the browser of users visiting the affected application. This vulnerability poses a significant risk as it can lead to unauthorized actions and data exposure.

Affected Version(s)

YOOtheme Pro extension for Joomla 1.0.0-5.0.41

References

https://www.yootheme.com/
product

CVSS V4

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.