What is CVE-2023-28669?

CVE-2023-28669 is a medium-severity vulnerability in Jenkins Jacoco, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-02.

How severe is CVE-2023-28669?

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

XSS in Jenkins Jacoco

CVE-2023-28669

Jenkins JaCoCo Plugin 3.3.2 and earlier does not escape class and method names shown on the UI, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control input files for the 'Record JaCoCo coverage report' post-build action.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-02 · 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: 0.006 (44.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Jenkins Jacoco
Jenkins Project Jacoco Plugin — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.jenkins.io/security/advisory/2023-03-21/ (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28669?: CVE-2023-28669 is a medium-severity vulnerability in Jenkins Jacoco, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-02.
How severe is CVE-2023-28669?: Medium severity. CVSS v3 base score is 5.4 out of 10.