What’s Vulnerable › Vulnerabilities

CVE-2021-21668

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 76.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-16 · updated 2026-06-17
• Weakness: CWE-79

Description

Jenkins Scriptler Plugin 3.1 and earlier does not escape script content, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

Affected products

• Jenkins project Jenkins Scriptler Plugin: through 3.1

References

• http://www.openwall.com/lists/oss-security/2021/06/16/3
• https://www.jenkins.io/security/advisory/2021-06-16/#SECURITY-2390
• http://www.openwall.com/lists/oss-security/2021/06/16/3
• https://www.jenkins.io/security/advisory/2021-06-16/#SECURITY-2390

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