What’s Vulnerable › Vulnerabilities

CVE-2020-2257

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-16 · updated 2026-06-17
• Weakness: CWE-79

Description

Jenkins Validating String Parameter Plugin 2.4 and earlier does not escape various user-controlled fields, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Affected products

• Jenkins project Jenkins Validating String Parameter Plugin: through 2.4

References

• http://www.openwall.com/lists/oss-security/2020/09/16/3
• https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1935
• http://www.openwall.com/lists/oss-security/2020/09/16/3
• https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1935

Get alerted when CVE-2020-2257 or the next vulnerability affects your stack