CIVI-SA-2026-20: Stored XSS in Website URL

Published
2026-06-15 19:52
Written by

When viewing a contact in the contact summary screen, the contact's website URL was not properly escaped.

Security Risk
Moderately Critical
Vulnerability
Cross Site Scripting
Affected Versions

CiviCRM v6.15.2 and earlier

Fixed Versions

CiviCRM v6.15.3, v6.10.7 (ESR), and later

Publication Date
Solutions

Upgrade to a fixed version of CiviCRM

Credits

Lassi (lassitemp@proton.me), Luke Stewart (Fuzion), Seamus Lee (JMA Consulting)