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Reflected XSS vulnerability in Jenkins VncViewer Plugin

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Dec 14, 2023

Package

maven org.jenkins-ci.plugins:vncviewer (Maven)

Affected versions

<= 1.7

Patched versions

1.8

Description

VncViewer Plugin 1.7 and earlier does not escape a parameter value in the checkVncServ form validation endpoint output.

This results in a reflected cross-site scripting (XSS) vulnerability.

VncViewer Plugin 1.8 escapes the parameter value in the output.

References

Published by the National Vulnerability Database Jul 2, 2020
Published to the GitHub Advisory Database May 24, 2022
Reviewed Dec 29, 2022
Last updated Dec 14, 2023

Severity

Moderate
6.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2020-2207

GHSA ID

GHSA-2j4h-cjgh-659v

Source code

Credits

Checking history
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