CVE-2023-27898: jenkins project jenkins Cross-site Scripting

Vulnerability summary

CVE-2023-27898 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in jenkins project jenkins. EPSS estimates a 1.84% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities.

Timeline

1. 08-03-2023
   PublishedVulnerability first disclosed.
2. 28-02-2025
   Last modifiedVulnerability information updated.

Description

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.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.