CVE-2021-21668

lowpriority · attend · 49EPSS 0.760 · 100 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

76.0% (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 3.1 and earlier does not escape script content, 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 ≤3.1enisa_euvdEU
jenkins scriptler≤ 3.1nvdUScpe:2.3:a:jenkins:scriptler:*:*:*:*:*:*:*:*
Maven org.jenkins-ci.plugins:scriptler< 3.2osvUSpkg:maven/org.jenkins-ci.plugins/scriptler

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-5c6c-w4c4-vgvxStored XSS vulnerability in Jenkins Scriptler Plugin2022-01-06ghsa · osvUS
Jenkins Scriptler Plugin 3.1 and earlier does not escape script content. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission. Jenkins Scriptler Plugin 3.2 escapes script content.

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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