Stored cross-site scripting in Log Parser - CVE-2019-10410

Detailed vulnerability description

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

The vulnerability exists due to the affected plugin does not escape an error message shown when log parsing patterns are invalid. A remote authenticated user who is able to control the log parsing rules configuration, typically users with Job/Configure permission can inject 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-2019-10410

Sources

• http://www.openwall.com/lists/oss-security/2019/09/25/3
• https://jenkins.io/security/advisory/2019-09-25/#SECURITY-732