#VU25281 Stored cross-site scripting in Jenkins Subversion Plugin


Published: 2020-02-13

Vulnerability identifier: #VU25281

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2111

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Jenkins Subversion Plugin
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

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

The vulnerability exists due to the affected software does not escape the error message for the Project Repository Base URL field form validation. A remote authenticated attacker 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jenkins Subversion Plugin: 1.0 - 2.13.0


External links
http://www.openwall.com/lists/oss-security/2020/02/12/3
http://jenkins.io/security/advisory/2020-02-12/#SECURITY-1725


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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