Cross-site scripting in Audit Trail - CVE-2020-2140

Description

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 error message for the URL Patterns field form validation. 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.

Note: This vulnerability can be also exploited similar to a stored cross-site scripting vulnerability by users with Overall/Administer permission.

Remediation

External links

• http://www.openwall.com/lists/oss-security/2020/03/09/1
• https://jenkins.io/security/advisory/2020-03-09/#SECURITY-1722