Vulnerability · Published Jul 28, 2025 · Assigned by Joomla
CVE-2025-54299Extension - nobossextensions.com - Stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla
Critical 9.4
In plain English
A critical-severity cross-site scripting in No Boss Testimonials component for Joomla from nobossextensions.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stored XSS vulnerability in No Boss Testimonials component 1.0.0-3.0.0 and 4.0.0-4.0.2 for Joomla was discovered.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nobossextensions.com | No Boss Testimonials component for Joomla | 4.0.0-4.0.21.0.0-3.0.0 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
References
- https://nobossextensions.com/ product