Stored XSS Vulnerability in No Boss Testimonials Component for Joomla
CVE-2025-54299

9.4CRITICAL

What is CVE-2025-54299?

A stored XSS vulnerability has been identified in the No Boss Testimonials component, impacting versions 1.0.0 to 3.0.0 and 4.0.0 to 4.0.2. This weakness allows attackers to inject malicious scripts into the application, which can be executed in the browsers of users who view affected content. If successfully exploited, this may lead to unauthorized actions on behalf of the user and could compromise data integrity.

Affected Version(s)

No Boss Testimonials component for Joomla 4.0.0-4.0.2

No Boss Testimonials component for Joomla 1.0.0-3.0.0

References

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sebastian JeĹĽ
.
CVE-2025-54299 : Stored XSS Vulnerability in No Boss Testimonials Component for Joomla