Vulnerability · Published Aug 20, 2026 · Assigned by Joomla
CVE-2026-76564Joomla Extension - phoca.cz - Stored XSS via User-Agent header in Admin Order View in Phoca Cart 5.0.0-6.1.7
High 8.6
In plain English
A high-severity cross-site scripting in Phoca Cart extension for Joomla from phoca.cz. 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). Ready-made attack tooling exists: public proof-of-concept code.
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 tooling1Public PoC
Official description
Joomla Extension - phoca.cz - Stored XSS via User-Agent header in Admin Order View in Phoca Cart 5.0.0-6.1.7
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| phoca.cz | Phoca Cart extension for Joomla | 5.0.0-6.1.7 |
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.phoca.cz/phocacart product