Stored cross-site scripting in EspoCRM - CVE-2019-14550

 

Stored cross-site scripting in EspoCRM - CVE-2019-14550

Published: August 7, 2019


Vulnerability identifier: #VU19959
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-14550
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: EspoCRM
Affected software:
EspoCRM

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Edit Dashboard feature present on the Homepage. A remote attacker can load malicious JavaScript inside the add tab list feature, which would fire when a user clicks on the Edit Dashboard button and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2019-14550

Install update from vendor's website.

Sources