CVE-2026-66917: Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1

Published Aug 22, 2026
·
Updated

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.

Other sources

Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.

NVD

Affected Software

1 affected component
Joomla JoomGallery<4.3.1, <4.4.0

Event History

Aug 22, 2026
CVE Published
via MITRE·11:12 AM
Data Sourced
via MITRE·11:12 AM
DescriptionWeakness
Data Sourced
via NVD·12:16 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue?

An authenticated, privileged user can exploit it by storing an XSS payload in an image.

2

Who is exposed to the stored payload?

Every visitor whose browser loads an affected image can have JavaScript execute in their browser.

3

Which versions need remediation?

JoomGallery versions earlier than 4.3.1 are affected. Upgrading to 4.3.1 or later addresses the affected version range described.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203