CVE-2021-21649

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 72.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-11 · updated 2026-06-17
Weakness: CWE-79

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

Jenkins project Jenkins Dashboard View Plugin: through 2.15

References

https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2233
https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2233

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