XSS in Jenkins Update-Center2
CVE-2023-27905
Jenkins update-center2 3.13 and 3.14 renders the required Jenkins core version on plugin download index pages without sanitization, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Jenkins Update-Center2 — versions 3.13, 3.14
- Jenkins Project Update-Center2 — versions 3.13, 3.14
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2023-03-08/ (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27905?
- CVE-2023-27905 is a critical-severity vulnerability in Jenkins Update-Center2, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2023-03-10.
- How severe is CVE-2023-27905?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2023-27905 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.