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Not in CISA KEV
HIGH severity

CVE-2022-34183 — agent-server-parameter

HIGH

CVE-2022-34183 is a high-severity (CVSS 8) Cross-site Scripting (XSS) vulnerability in io.jenkins.plugins:agent-server-parameter. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Cross-site Scripting in Jenkins Agent Server Parameter Plugin

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 4, 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 CVEs51th percentile — riskier than 51% of all scored CVEsHighest risk
0.00%11.1%22.3%33.4%25.9%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
☕io.jenkins.plugins:agent-server-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

Jenkins Agent Server Parameter Plugin 1.1 and earlier does not escape the name and description of Agent Server parameters on views displaying parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Exploitation of this vulnerability requires that parameters are listed on another page, like the "Build With Parameters" and "Parameters" pages provided by Jenkins (core), and that those pages are not hardened to prevent exploitation. Jenkins (core) has prevented exploitation of vulnerabilities of this kind on the "Build With Parameters" and "Parameters" pages since 2.44 and LTS 2.32.2 as part of the SECURITY-353 / CVE-2017-2601 fix. Additionally, several plugins have previously been updated to list parameters in a way that prevents exploitation by default, see SECURITY-2617 in the 2022-04-12 security advisory for a list.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenio.jenkins.plugins:agent-server-parameterall versionsNo fix

Affected Products

1 product · 1 configurations
Application
agent server parameterjenkins
≤ 1.1
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 io.jenkins.plugins:agent-server-parameter, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of io.jenkins.plugins:agent-server-parameter for CVE-2022-34183. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Jenkins Agent Server Parameter Plugin 1.1 and earlier does not escape the name and description of Agent Server parameters on views displaying parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission. Exploitation of this vulnerability requires that parameters are listed on another page, like the \"Build With Parameters\" and \"Parameters\" pages provided by Jenkins (core), and that those pages are not hardened to prevent exploitation. Jenkins (core) has prevented exploitation of vulnerabilities of this kind on the \"Bui
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CVE-2022-34183: agent-server-parameter XSS (High 8)