CVE-2026-85189 Cross-site scripting in Modals (Free, Pro) extension for Joomla
Privileged stored XSS in Joomla Modals extension allows attackers to execute JavaScript in visitors' browsers via executable URL schemes.
- 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-2026-85189?
CVE-2026-85189 is a high-severity cross-site scripting vulnerability in regularlabs.com Modals (Free, Pro) extension for Joomla, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0 - Modals treats a destination using an executable browser URL scheme as an ordinary modal URL. The value can reach both the generated link and the iframe-loading path. Authored content can consequently become JavaScript in a visitor's browser without using Modals' separate Pro JavaScript Events feature.
Weakness: CWE-79
Which versions are affected by CVE-2026-85189?
How do I fix CVE-2026-85189?
No fix has been published for CVE-2026-85189 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-2026-85189 being exploited?
There is no known exploitation of CVE-2026-85189 in the wild and no public exploit code.
Sources
Also known as GHSA-jrxp-wh39-qfvp.