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Not in CISA KEV
HIGH severity

CVE-2021-21665 — deployit-plugin

HIGH

CVE-2021-21665 is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in com.xebialabs.deployit.ci:deployit-plugin. A fix is available for com.xebialabs.deployit.ci:deployit-plugin — see the affected versions and patch details below.

CSRF vulnerability in Jenkins XebiaLabs XL Deploy Plugin allows capturing credentials

Also known asGHSA-38pm-74xc-phcw
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs52th percentile — riskier than 52% of all scored CVEsHighest risk
0.00%0.39%0.77%1.16%0.1%0.7%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕com.xebialabs.deployit.ci:deployit-plugin

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

Jenkins XebiaLabs XL Deploy Plugin 10.0.2 requires POST requests and Overall/Administer permission for the affected form validation method.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.xebialabs.deployit.ci:deployit-pluginall versions10.0.2com.xebialabs.deployit.ci:deployit-plugin:10.0.2

Affected Products

1 product · 1 configurations
Application
xebialabs xl deployjenkins
≤ 10.0.1
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.xebialabs.deployit.ci:deployit-plugin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.xebialabs.deployit.ci:deployit-plugin to 10.0.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-21665 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

A cross-site request forgery (CSRF) vulnerability in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins. Jenkins XebiaLabs XL Deploy Plugin 10.0.2 requires POST requests and Overall/Administer permission for the affected form validation method.
O3 Security · Impact-Aware SCA

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CVE-2021-21665: deployit-plugin CSRF — Fixed in 10.0.2