SB2019100963 - Stored cross-site scripting in jenkins (Alpine package)
Published: October 9, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2019-10401)
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 the the "f:expandableTextBox" form control. A remote authenticated attacker with permission to define its contents (typically Job/Configure) can permanently 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.
Remediation
Install update from vendor's website.