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Security Advisories: GSA_kwCzR0hTQS00OGhyLWpnNHAtdzRwNM4AAnp9

XSS vulnerability in Jenkins Claim Plugin

Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name shown in claims.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users, either via the security realm, or directly inside Jenkins.

Everyone with a Jenkins account can change their own display name.\n\nClaim Plugin 2.18.2 escapes the user display name shown in claims.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 years ago
Updated: 7 months ago

CVSS Score: 5.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-48hr-jg4p-w4p4, CVE-2021-21619
References: Blast Radius: 1.0

Affected Packages

Affected Version Ranges: <= 2.18.1
Fixed in: 2.18.2