CVE-2026-77997 Missing authorization in YOOtheme Pro extension for Joomla
Authenticated users with template editing permissions can access unauthorized module information due to missing access checks in YOOtheme Pro.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77997?
CVE-2026-77997 is a medium-severity missing authorization vulnerability in yootheme.com YOOtheme Pro extension for Joomla, published on 25 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Joomla Extension - yootheme.com - Authenticated, privileged information disclosure in YOOtheme Pro 1.0.0-5.0.41 - A missing access check allowed users with com_template editing permissions to access information about arbitrary modules without the respective com_modules permissions.
Weakness: CWE-284
Which versions are affected by CVE-2026-77997?
How do I fix CVE-2026-77997?
No fix has been published for CVE-2026-77997 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-77997 being exploited?
There is no known exploitation of CVE-2026-77997 in the wild and no public exploit code.
Sources
Also known as GHSA-84hx-8vrm-hqm7.