CVE-2021-21649
CVE-2021-21649 is a medium-severity vulnerability in Jenkins Dashboard View with a CVSS 3.x base score of 5.4. Its EPSS exploit-prediction score of 73% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 73% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Jenkins Dashboard View
- Published:
- Last modified:
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.
Frequently asked questions
- 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.
- How severe is CVE-2021-21649?
- CVE-2021-21649 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-21649 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21649?
- CVE-2021-21649 affects Jenkins Dashboard View. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-21649?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-21649 published?
- CVE-2021-21649 was published on 2021-05-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jenkins:dashboard_view:*:*:*:*:*:jenkins:*:*
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