What’s Vulnerable › Vulnerabilities

CVE-2021-21648

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-11 · updated 2026-06-17
• Weakness: CWE-79

Description

Jenkins Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides, resulting in a reflected cross-site scripting (XSS) vulnerability.

Affected products

• Jenkins project Jenkins Credentials Plugin: through 2.3.18

References

• https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2349
• https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2349

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