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Vulnerability record · public intelligence
CVE-2021-21649
MEDIUM

Cross-site Scripting in Jenkins Dashboard View Plugin

Published May 11, 2021 · Updated Oct 23, 2026 · Also known as GHSA-jwhm-9cjm-4493

Severity · CVSSMEDIUM · 5.4
Known exploitationNot listed
EPSS / likelihood72.68%
QFinch risk score15 / 100

Original summary

Normalized public record · Updated Oct 23, 2026

Cross-site Scripting in Jenkins Dashboard View Plugin

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

Jenkins Dashboard View Plugin prior to 2.16 and 2.12.1 does not escape URLs referenced in Image Dashboard Portlets, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with View/Configure permission.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDOSVEPSSGHSA
SSVC priority
LOW
Confidence
15%
Aliases
GHSA-jwhm-9cjm-4493

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. www.jenkins.io ↗

Record history

Published May 11, 2021 · Last refreshed Oct 23, 2026