CVE-2021-21603
MEDIUM
5.4
CVSS Score
Published: January 13, 2021 at 03:55 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorJenkins
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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1889CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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