Cross-site scripting in EspoCRM - CVE-2026-53575

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Main Vulnerability Database Vulnerabilities #VU139913

Cross-site scripting in EspoCRM - CVE-2026-53575

Published: July 28, 2026


Vulnerability identifier: #VU139913
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-53575
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: EspoCRM
Affected software:
EspoCRM

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to cross-site scripting in the applicationName setting when generating the application page. A remote privileged user can inject a JavaScript file to disclose sensitive information.

This may lead to data leakage, including unsaved user input.


How to mitigate CVE-2026-53575

Install security update from vendor's website.

Sources