CVE-2021-21667
Stored XSS vulnerability in Jenkins Scriptler Plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-21667- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-21667- Updated
- 2026-11-02
EUVDEUVD-2022-0656 No score
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.
- Record
EUVD-2022-0656- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p479-rwhp-rwjx
Stored XSS vulnerability in Jenkins Scriptler Plugin
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.
- Record
GHSA-p479-rwhp-rwjx- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-p479-rwhp-rwjx
Stored XSS vulnerability in Jenkins Scriptler Plugin
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.
- Record
GHSA-p479-rwhp-rwjx- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:scriptlerMaven |
before 3.3 | 3.3 |
org.jenkins-ci.plugins:scriptlerMaven |
before 3.3, plus listed versions 2.02.12.22.2.12.3 Show 11 moreShow less2.42.4.12.52.5.12.62.6.12.72.93.0-alpha3.13.2 |
3.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21667 is a medium vulnerability (CVSS 5.4) in Jenkins Scriptler, published June 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 75.7%, the 99th percentile. Fixed in org.jenkins-ci.plugins:scriptler 3.3.