SB2019060507 - Cross-site scripting in Gila CMS

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2019-9647)

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 passed via the "search" parameter. A remote attacker can trick the victim to follow a specially crafted link 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.

PoC:

http://[host]/?search=<--`<img/src=` onerror=confirm``> --!>

Remediation

Install update from vendor's website.

References

• http://packetstormsecurity.com/files/152153/Gila-CMS-1.9.1-Cross-Site-Scripting.html
• https://gilacms.com/blog