What’s Vulnerable › Vulnerabilities

CVE-2020-2221

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-15 · updated 2026-06-17
• Weakness: CWE-79

Description

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.

Affected products

• Jenkins: through 2.235.1; through 2.244

References

• http://www.openwall.com/lists/oss-security/2020/07/15/5
• https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901
• http://www.openwall.com/lists/oss-security/2020/07/15/5
• https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901

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