CVE-2023-27898

moderate-risk
Published 2023-03-10

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.

Do I need to act?

~
2.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.6/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Jenkins

References (2)

Vendor Advisory https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3037
Vendor Advisory https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3037
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 7/34 · Low