CVE-2026-63281 Joomla Extension - regularlabs.com - XSS vulnerability in Regular Labs conditions manager
Stored XSS in Regular Labs Joomla extensions allows attackers to execute scripts in administrator summaries, potentially compromising admin accounts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-63281?
CVE-2026-63281 is a medium-severity cross-site scripting vulnerability in regularlabs.com Advanced Module Manager extension for Joomla, published on 22 Jul 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Joomla Extension - regularlabs.com - XSS vulnerability in Regular Labs conditions manager - Stored condition values could also execute HTML/JavaScript in administrator summaries.
Weakness: CWE-79
Which versions are affected by CVE-2026-63281?
How do I fix CVE-2026-63281?
No fix has been published for CVE-2026-63281 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-63281 being exploited?
There is no known exploitation of CVE-2026-63281 in the wild and no public exploit code.
Sources
Also known as GHSA-h333-v96h-jwmm.