CVE-2021-21635

lowpriority · track · 25EPSS 0.088 · 95 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

8.76% (95th) 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 REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/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

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · 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 REST List Parameter Plugin≤ unspecified ≤1.3.0enisa_euvdEU
jenkins rest list parameter≤ 1.3.0nvdUScpe:2.3:a:jenkins:rest_list_parameter:*:*:*:*:*:*:*:*
Maven io.jenkins.plugins:rest-list-parameter< 1.3.1osvUSpkg:maven/io.jenkins.plugins/rest-list-parameter

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-x3m6-vcp7-98mrStored XSS vulnerability in Jenkins REST List Parameter Plugin2022-05-24ghsa · osvUS
Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. Jenkins REST List Parameter Plugin 1.3.1 no longer identifies a parameter using user-specified 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 2021-03-30modified 2026-06-17

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+53061 more

references (9)

External citations — patches, advisories, analysis.

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