Vulnerability · Published Aug 21, 2026 · Assigned by Joomla
CVE-2026-77028Joomla Extension - yootheme.com - Reflected XSS and open redirect via the submission redirect parameter in Zoo < 4.1.66
Medium 5.3
In plain English
A medium-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 36% of all known vulnerabilities).
Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.4%top 64.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - yootheme.com - Reflected XSS and open redirect via the submission redirect parameter in Zoo < 4.1.66
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| yootheme.com | Zoo extension for Joomla | 1.0.0-4.1.65 |
Weakness: CWE-79, CWE-601 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
References
- https://www.yootheme.com/ product