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Reflected Cross site scripting in Jenkins Embeddable Build Status Plugin

High severity GitHub Reviewed Published Jun 24, 2022 to the GitHub Advisory Database • Updated Jan 31, 2023

Package

maven org.jenkins-ci.plugins:embeddable-build-status (Maven)

Affected versions

< 2.0.4

Patched versions

2.0.4

Description

Jenkins Embeddable Build Status Plugin 2.0.3 allows specifying a 'link' query parameter that build status badges will link to, without restricting possible values, resulting in a reflected cross-site scripting (XSS) vulnerability.

Embeddable Build Status Plugin 2.0.4 limits URLs to http and https protocols and correctly escapes the provided value.

References

Published by the National Vulnerability Database Jun 23, 2022
Published to the GitHub Advisory Database Jun 24, 2022
Reviewed Jul 5, 2022
Last updated Jan 31, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS score

0.072%
(34th percentile)

Weaknesses

CVE ID

CVE-2022-34178

GHSA ID

GHSA-39r3-h8q6-2phq

Source code

Credits

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