Vulnerability · Published Aug 25, 2026 · Assigned by Joomla

CVE-2026-77996Joomla Extension - yootheme.com - Authenticated, privileged stored XSS in YOOtheme Pro 1.0.0-5.0.41

High 7.5

In plain English

A high-severity cross-site scripting in YOOtheme Pro 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)7.5High
Exploit odds (30 days)0.4%top 63.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Joomla Extension - yootheme.com - Authenticated, privileged stored XSS in YOOtheme Pro 1.0.0-5.0.41 - Lack of escaping in the location custom field lead to a XSS vector.

Affected products (as reported)

VendorProductVersions
yootheme.com YOOtheme Pro extension for Joomla 1.0.0-5.0.41

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU:N

References