Vulnerability record · CVE-2020-2231 · published 12 August 2020

CVE-2020-2231: Jenkins cross-site scripting vulnerability

Jenkins · Jenkins

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via 'Trigger builds remotely', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Job/Configure permission or knowledge of the Authentication Token.

5.4 CVSS 3.1 Medium EPSS 5.3% · top 7.7% CWE-79 · Cross-site scripting

5.4CVSS 3.1 base score, v2 3.5

5.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Jenkins Jenkins

References

Link	Tags
http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html	ExploitThird Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2020/08/12/4	Mailing ListThird Party Advisory
https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960	Vendor Advisory
http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html	ExploitThird Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2020/08/12/4	Mailing ListThird Party Advisory
https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960	Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-2231), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.