SB2019041033 - Cross-site scripting in Cantemo Portal

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2019-7551)

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. 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.

Remediation

Install update from vendor's website.

References

• https://blog-posts--cantemo.netlify.com/news/2019/03/cantemo-portal-xss-vulnerabilities/
• https://doc.cantemo.com/latest/ReleaseNotes/intro.html#version-3-4-9
• https://www.bishopfox.com/blog/news-category/advisories/
• https://www.bishopfox.com/news/2019/03/cantemo-portal-version-3-8-4-cross-site-scripting/