SB2019050637 - Cross-site scripting in ImpressCMS

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2018-13983)

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

The vulnerability exists due to insufficient sanitization of user-supplied data when processing the PATH_INFO to htdocs/install/index.php, htdocs/install/page_langselect.php, or htdocs/install/page_modcheck.php. 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

• http://packetstormsecurity.com/files/150990/ImpressCMS-1.3.10-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2019/Jan/8
• https://www.netsparker.com/web-applications-advisories/ns-18-033-cross-site-scripting-in-impresscms/