CVE-2021-21610

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.

Risk Information

Base Score

6.1

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Score

Exploitation Probability

0.327

Associated Vulnerability

Vulnerability	OS Platform
Multiple Vulnerabilities are affected in Jenkins 2.274	Windows
Multiple vulnerabilities are fixed in Jenkins-Core 2.263.2	Windows
Multiple vulnerabilities are fixed in Jenkins-Core 2.275	Windows
Multiple vulnerabilities are fixed in Jenkins-Core for Linux 2.263.2	Linux
Multiple vulnerabilities are fixed in Jenkins-Core for Linux 2.275	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234