CVE-2026-88853: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in regularlabs.com Modals (Pro) extension for Joomla
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.
CVE-2026-88853: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in regularlabs.com Modals (Pro) extension for Joomla
Description
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.
CVSS v4.0
Score 7.5high
Affected software
regularlabs.com
Modals (Pro) extension for Joomla
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-09-10T10:27:00.130Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa7915755bf5e2cf5a06583
Added to database: 09/14/2026, 06:16:55 UTC
Last updated: 09/14/2026, 06:16:55 UTC
Views: 1
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