XSS in Regularlabs.com Modals (Pro) Extension For Joomla

CVE-2026-88853

Joomla Extension - regularlabs.com - Privileged stored XSS via event handler option in Modals Pro extension for Joomla < 17.0.0 - Modals Pro intentionally supports JavaScript Events such as on-open and on-closed. Affected versions do not distinguish trusted extension configuration from event code supplied in ordinary article content. A lower-privileged author can therefore use a documented executable feature which should be reserved for trusted authors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (16.0th percentile) — read the EPSS interpretation.