CVE-2026-76612: Joomla Extension - yootheme.com - Unauthenticated stored XSS via user-controlled fields in Zoo < 4.1.66

Severity: high (CVSS 8.6 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-21 · updated 2026-10-23
Weakness: CWE-79

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

yootheme.com Zoo extension for Joomla: 1.0.0-4.1.65

References

https://www.yootheme.com/

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