CVE-2021-21667

lowpriority · attend · 49EPSS 0.757 · 100 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

75.7% (100th) EPSS

CVSS 3.5 · low

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (3)

Products and version ranges known to be affected.

Jenkins Project Jenkins Scriptler Plugin≤ unspecified ≤3.2enisa_euvdEU
jenkins scriptler≤ 3.2nvdUScpe:2.3:a:jenkins:scriptler:*:*:*:*:*:*:*:*
Maven org.jenkins-ci.plugins:scriptler< 3.3osvUSpkg:maven/org.jenkins-ci.plugins/scriptler

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-p479-rwhp-rwjxStored XSS vulnerability in Jenkins Scriptler Plugin2022-01-06ghsa · osvUS
Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission. Jenkins Scriptler Plugin 3.3 escapes parameter names shown in job configuration forms.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-06-16modified 2026-06-17

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+53061 more

references (8)

External citations — patches, advisories, analysis.

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