CVE-2023-27898

Critical

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.

SeverityCritical

CVSS9.6

Exploit probability—

Product

Jenkins

PublishedMar 10, 2023

First seenMar 10, 2023

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

jenkins jenkins2.394, 2.375.4 or later
org.jenkins-ci.main:jenkins-core2.394, 2.375.4 or later

Vendor advisories

jenkins.io/security/advisory/2023-03-08/#SECURITY-3037

Affected products

Product	Affected versions	Fixed in
jenkins jenkins	2.270 ≤ v < 2.394, 2.277.1 ≤ v < 2.375.4	2.394, 2.375.4
org.jenkins-ci.main:jenkins-coreMaven	2.376 ≤ v < 2.394, v < 2.375.4	2.394, 2.375.4

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