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Stored cross-site scripting in Jenkins Link Column plugin



Published: 2020-07-03
Severity Low
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2020-2219
CWE ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Link Column
Web applications / Modules and components for CMS

Vendor Jenkins

Security Advisory

This security advisory describes one low risk vulnerability.

1) Stored cross-site scripting

Severity: Low

CVSSv3: 6.1 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:U/RC:C] [PCI]

CVE-ID: CVE-2020-2219

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: Yes [Search exploit]

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the "javascript:" scheme. A remote user with View/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.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Link Column: -, 1.0

CPE External links

http://www.openwall.com/lists/oss-security/2020/07/02/7
https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1803

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. However, proof of concept for this vulnerability is available.



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