What is CVE-2023-40346?

CVE-2023-40346 is a medium-severity vulnerability in Jenkins Shortcut Job, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-16.

How severe is CVE-2023-40346?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Jenkins Shortcut Job

CVE-2023-40346

Jenkins Shortcut Job Plugin 0.4 and earlier does not escape the shortcut redirection URL, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to configure shortcut jobs.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Jenkins Shortcut Job
Jenkins Project Shortcut Job Plugin — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.jenkins.io/security/advisory/2023-08-16/ (vendor-advisory, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/08/16/3 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40346?: CVE-2023-40346 is a medium-severity vulnerability in Jenkins Shortcut Job, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-16.
How severe is CVE-2023-40346?: Medium severity. CVSS v3 base score is 5.4 out of 10.