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Fencer Vulns
medium 5.4

CVE-2020-2190 json

Improper Neutralization of Input During Web Page Generation in Jenkins Script Security Plugin

published 2020-06-03 6 y ago modified 2026-06-17 4 mo ago also GHSA-q87g-7mp5-765q , EUVD-2022-4918

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Jenkins Script Security Plugin 1.72 and earlier does not correctly escape pending or approved classpath entries on the In-process Script Approval page, resulting in a stored cross-site scripting vulnerability.

Patch / fix

  • maven org.jenkins-ci.plugins:script-security 1.73
  • jenkins-2-plugins openshift 4.4 4.4.1598545590-1.el7
  • jenkins-2-plugins openshift 4.5 4.5.1595405982-1.el7

red hat advisories RHSA-2020:3625RHSA-2020:3207

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-2190 updated cvss 5.4

jenkins-script-security-plugin: cross-site scripting vulnerability due to configure sandboxed scripts

  • Red Hat OpenShift Container Platform 4.4 jenkins-2-plugins 4.4.1598545590-1.el7
    fixed: vendor fix RHSA-2020:3625
  • Red Hat OpenShift Container Platform 4.5 jenkins-2-plugins 4.5.1595405982-1.el7
    fixed: vendor fix RHSA-2020:3207
  • Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.plugins:script-security
<1.73
1.73

Affected products

  • Jenkins project Jenkins Script Security Plugin

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.