Home/CVE/Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape correctly the 'href' attribute of links to downstream
CVE

CVE-2020-2223

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape correctly the 'href' attribute of links to downstream

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape correctly the 'href' attribute of links to downstream jobs displayed in the build console page, resulting in a stored cross-site scripting vulnerability.

MEDIUM · CVSS 5.4 EPSS 0.00419
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
jenkins<= 2.235.1
jenkins<= 2.244
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jenkins-ci.main:jenkins-core HIGH fixed in 2.235.2
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · jenkinsci-cert@googlegroups.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jul 2020 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

4
rhsaRHSA-2020:3808Moderate
rhsaRHSA-2020:3519Moderate
rhsaRHSA-2020:3541Important
rhsaRHBA-2020:3441Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2020/07/15/5Mailing ListThird Party Advisory
https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1945Vendor Advisory
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