SB2019080735 - Reflected cross-site scripting in Wall Display plugin for Jenkins

Description

This security bulletin contains information about 1 security vulnerability.

1) Reflected cross-site scripting (CVE-ID: CVE-2019-10376)

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

The vulnerability exists due to the affected software does not properly escape the "customTheme" query parameter. The vulnerability allows attackers to inject arbitrary HTML and JavaScript into web pages provided by this plugin.

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

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://www.openwall.com/lists/oss-security/2019/08/07/1
• https://jenkins.io/security/advisory/2019-08-07/#SECURITY-751