Stored Cross-Site Scripting in Jenkins Scriptler Plugin by Jenkins
CVE-2021-21668

5.4MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Scriptler Plugin
Vendor
CVE Published:
16 June 2021

What is CVE-2021-21668?

The Jenkins Scriptler Plugin, specifically versions 3.1 and earlier, is susceptible to a stored cross-site scripting (XSS) vulnerability. This issue arises because the plugin fails to appropriately escape script content, allowing attackers who have Scriptler/Configure permissions to inject malicious scripts. Such vulnerabilities can potentially lead to unauthorized actions executed within users' sessions, making it crucial for organizations to review their installations and implement the necessary updates to mitigate the risk.

Affected Version(s)

Jenkins Scriptler Plugin <= 3.1

References

https://www.jenkins.io/security/advisory/2021-06-16/#SECU...
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http://www.openwall.com/lists/oss-security/2021/06/16/3
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EPSS Score

31% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.