SB2019080513 - Stored cross-site scripting in EspoCRM EspoCRM

Description

This security bulletin contains information about 1 security vulnerability.

1) Stored cross-site scripting (CVE-ID: CVE-2019-14547)

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 Attachment Filename. A remote attacker can inject the JavaScript inside the filename, send it to victim and execute arbitrary HTML and script code when an admin selects the particular file from the list of all attachments 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.

Remediation

Install update from vendor's website.

References

• https://gauravnarwani.com/publications/cve-2019-14547/
• https://github.com/espocrm/espocrm/commit/ffd3f762ce4a8de3b8962f33513e073c55d943b5
• https://github.com/espocrm/espocrm/issues/1369
• https://github.com/espocrm/espocrm/releases/tag/5.6.9