CVE-2026-63684 Cross-site request forgery in Content Templater extension for Joomla
Attackers can exploit inconsistent CSRF and privilege checks to modify extension configurations and items via unauthorized backend access or CSRF attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-63684?
CVE-2026-63684 is a high-severity vulnerability in regularlabs.com Content Templater extension for Joomla, published on 22 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in various admin/import/export actions of multiple Regular Labs extension - Administrator actions, editor popups and import/export requests lacked consistent token, item-permission and input-validation checks. Unauthorized backend users or CSRF attacks could expose, create or modify extension configuration and items.
Which versions are affected by CVE-2026-63684?
How do I fix CVE-2026-63684?
No fix has been published for CVE-2026-63684 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-63684 being exploited?
There is no known exploitation of CVE-2026-63684 in the wild and no public exploit code.
Sources
Also known as GHSA-vx5c-xcqh-mcr9.