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MEDIUM severity

CVE-2022-27205 — extended-choice-parameter

MEDIUM

CVE-2022-27205 is a medium-severity (CVSS 4.3) CWE-862 vulnerability in org.jenkins-ci.plugins:extended-choice-parameter. No vendor fix is recorded yet; mitigation options are listed below.

CSRF vulnerability and missing permission checks in Extended Choice Parameter Plugin allow SSRF

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs54th percentile — riskier than 54% of all scored CVEsHighest risk
0.00%0.42%0.84%1.26%0.0%0.8%Apr 26Aug 26Oct 26

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

How urgent is this, really

CVE-2022-27205 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,987 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:extended-choice-parameter

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

Extended Choice Parameter Plugin 346.vd87693c5a_86c and earlier does not perform a permission check on form validation methods. This allows attackers with Overall/Read permission to connect to an attacker-specified URL.

Additionally, these form validation methods do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:extended-choice-parameterall versionsNo fix

Affected Products

1 product · 1 configurations
Application
extended choice parameterjenkins
≤ 346.vd87693c5a_86c
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 org.jenkins-ci.plugins:extended-choice-parameter, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of org.jenkins-ci.plugins:extended-choice-parameter has shipped for CVE-2022-27205 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Extended Choice Parameter Plugin 346.vd87693c5a_86c and earlier does not perform a permission check on form validation methods. This allows attackers with Overall/Read permission to connect to an attacker-specified URL. Additionally, these form validation methods do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.
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CVE-2022-27205: extended-choice CSRF (Medium 4.3)