Which products and versions are affected by CVE-2021-21649?

Affected: Dashboard View (Jenkins); org.jenkins-ci.plugins:dashboard-view (maven) versions >= 2.13; Jenkins Dashboard View Plugin versions >= unspecified. The full list is in the CVE brief.

Is CVE-2021-21649 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2021-21649 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-21649?

No public exploit code is known.

How urgently should CVE-2021-21649 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2021-21649

Q: What is CVE-2021-21649?

Jenkins Dashboard View Plugin 2.15 and earlier 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.

Medium

Cross-site Scripting in Jenkins Dashboard View Plugin

Published Jun 16, 2021 · Updated Jul 9, 2026 · Also known as GHSA-jwhm-9cjm-4493

Key Facts

Patch immediately

CVE-2021-21649 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Dashboard View (Jenkins), org.jenkins-ci.plugins:dashboard-view (maven), Jenkins Dashboard View Plugin.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 73% probability of exploitation in the next 30 days.
Fixed versions are available, including Dashboard View <=2.15, org.jenkins-ci.plugins:dashboard-view 2.12.1, org.jenkins-ci.plugins:dashboard-view 2.16.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

5.4

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

EPSS (30-day exploit likelihood)

73%

Higher than 99.4% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-21649 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Jenkins Dashboard View Plugin 2.15 and earlier 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.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Dashboard ViewJenkins	See advisory	2.15
org.jenkins-ci.plugins:dashboard-viewmaven	>= 2.13	2.12.1
Jenkins Dashboard View Plugin	>= unspecified	n/a

Patched Releases

Dashboard View

<=2.15

org.jenkins-ci.plugins:dashboard-view

2.12.1, 2.16

Timeline

Publicly disclosed
Jun 16, 2021
Last updated
Jul 9, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

1 more references in the full CVE brief

FAQ

Common Questions.

Jenkins Dashboard View Plugin 2.15 and earlier 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.
Affected: Dashboard View (Jenkins); org.jenkins-ci.plugins:dashboard-view (maven) versions >= 2.13; Jenkins Dashboard View Plugin versions >= unspecified. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Dashboard View <=2.15, org.jenkins-ci.plugins:dashboard-view 2.12.1, org.jenkins-ci.plugins:dashboard-view 2.16.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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