CVE-2021-21684
MEDIUM
6.1
CVSS Score
Published: October 6, 2021 at 10:10 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorGit
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
Description
Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored 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 (2)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/10/06/1x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-116
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