CVE-2026-55184 EspoCRM: Stored XSS in wysiwyg template fields if CSP is disabled

EspoCRM is an open source customer relationship management application. Prior to 9.3.9, a user with Email Template or PDF Template edit permission can store crafted HTML that bypasses moderateSanitizeHtml. When another user opens the template in edit mode and clientCspDisabled is true, the stored...

CVE-2026-55184

The open source customer relationship management application EspoCRM is vulnerable to Stored XSS in wysiwyg template fields prior to version 9.3.9 . A user with permissions to edit Email Templates or PDF Templates can inject crafted HTML that bypasses the moderateSanitizeHtml() function. If anoth...