Vulnerability · Published Aug 21, 2026 · Assigned by Joomla
CVE-2026-76612Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66
High 8.6
In plain English
A high-severity cross-site scripting in Zoo extension for Joomla from yootheme.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.4%top 61.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66 - User supplied input in comments and user supplied field elements weren't escaped, leading to a stored XSS vector.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| yootheme.com | Zoo extension for Joomla | 1.0.0-4.1.65 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
References
- https://www.yootheme.com/ product