CVE-2026-53575

The open source customer relationship management application EspoCRM is vulnerable to a Persistent Cross-Site Scripting (XSS) flaw in versions prior to 9.3.9 . An authenticated administrator can inject crafted content into the applicationName setting using a CSP nonce injection . Because this inp...

CVE-2026-53575 EspoCRM: Persistent XSS via CSP nonce injection in applicationName setting by admin user

EspoCRM is an open source customer relationship management application. Prior to 9.3.9, an authenticated administrator can place crafted content in the applicationName setting through CSP nonce injection. The persistent injection is inserted into the main application page without escaping, allowi...