Description
Jenkins VncViewer Plugin 1.7 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1776
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/07/02/7
Scores
CVSS v3
6.1
EPSS
0.0029
EPSS Percentile
52.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (2)
jenkins/vncviewer
< 1.7
org.jenkins-ci.plugins/vncviewer
0 - 1.8Maven
Published
Jul 02, 2020
Tracked Since
Feb 18, 2026