What is CVE-2023-28680?

CVE-2023-28680 is a high-severity vulnerability in Jenkins Crap4j, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2023-04-02.

How severe is CVE-2023-28680?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Jenkins Crap4j

CVE-2023-28680

Jenkins Crap4J Plugin 0.9 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Vulnerability class: XXE (XML External Entity)

Published 2023-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Jenkins Crap4j
Jenkins Project Crap4j Plugin — versions 0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

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

Frequently asked questions

What is CVE-2023-28680?: CVE-2023-28680 is a high-severity vulnerability in Jenkins Crap4j, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2023-04-02.
How severe is CVE-2023-28680?: High severity. CVSS v3 base score is 7.5 out of 10.