CVE-2023-27898: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

March 10, 2023 (updated May 24, 2023)

Jenkins 2.270 through 2.393 (both inclusive), LTS 2.277.1 through 2.375.3 (both inclusive) does not escape the Jenkins version a plugin depends on when rendering the error message stating its incompatibility with the current version of Jenkins, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide plugins to the configured update sites and have this message shown by Jenkins instances.

References

nvd.nist.gov/vuln/detail/CVE-2023-27898
www.jenkins.io/security/advisory/2023-03-08/

Code Behaviors & Features

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