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Security Advisories: GSA_kwCzR0hTQS00OGhyLWpnNHAtdzRwNM4AAnp9

XSS vulnerability in Jenkins Claim Plugin

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

This results in a 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: High
Classification: General
Published: about 1 year ago
Updated: 4 months ago

CVSS Score: 8.0
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Identifiers: GHSA-48hr-jg4p-w4p4, CVE-2021-21619

Affected Packages

Versions: <= 2.18.1
Fixed in: 2.18.2