Cross-site scripting in grandt/relativepath - CVE-2019-12507

 

Cross-site scripting in grandt/relativepath - CVE-2019-12507

Published: June 4, 2019


Vulnerability identifier: #VU18669
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-12507
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Asbjørn Grandt
Affected software:
grandt/relativepath

Detailed vulnerability description

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

The vulnerability exists in PHPRelativePath due to insufficient sanitization of user-supplied data passed via the RelativePath.Example1.php path 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.


How to mitigate CVE-2019-12507

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources