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HIGH severity

CVE-2022-43434 — neuvector-vulnerability-s…

HIGHFix: jenkinsci/neuvector-vulnerability-scanner-plugin@e0a7237

CVE-2022-43434 is a high-severity (CVSS 8) CWE-693 vulnerability in io.jenkins.plugins:neuvector-vulnerability-scanner. A fix is available for io.jenkins.plugins:neuvector-vulnerability-scanner — see the affected versions and patch details below.

Content-Security-Policy protection for user content disabled by Jenkins NeuVector Vulnerability Scanner Plugin

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 19, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2022-43434.

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk+0.08%
Lower risk than most CVEs55th percentile — riskier than 55% of all scored CVEsHighest risk
0.14%0.63%1.12%1.61%1.1%0.8%Apr 26Aug 26Oct 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:neuvector-vulnerability-scanner

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 sets the Content-Security-Policy header to static files served by Jenkins (specifically DirectoryBrowserSupport), such as workspaces, /userContent, or archived artifacts, unless a Resource Root URL is specified.

NeuVector Vulnerability Scanner Plugin 1.20 and earlier globally disables the Content-Security-Policy header for static files served by Jenkins whenever the 'NeuVector Vulnerability Scanner' build step is executed. This allows cross-site scripting (XSS) attacks by users with the ability to control files in workspaces, archived artifacts, etc.

Jenkins instances with Resource Root URL configured are unaffected.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenio.jenkins.plugins:neuvector-vulnerability-scannerall versions1.22io.jenkins.plugins:neuvector-vulnerability-scanner:1.22

Affected Products

1 product · 1 configurations
Application
neuvector vulnerability scannerjenkins
≤ 1.20
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:neuvector-vulnerability-scanner, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update io.jenkins.plugins:neuvector-vulnerability-scanner to 1.22 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-43434 is resolved across your whole dependency graph.

  3. Workarounds

    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 sets the Content-Security-Policy header to static files served by Jenkins (specifically `DirectoryBrowserSupport`), such as workspaces, `/userContent`, or archived artifacts, unless a Resource Root URL is specified. NeuVector Vulnerability Scanner Plugin 1.20 and earlier globally disables the `Content-Security-Policy` header for static files served by Jenkins whenever the 'NeuVector Vulnerability Scanner' build step is executed. This allows cross-site scripting (XSS) attacks by users with the ability to control files in workspaces, archived artifacts, etc. Jenkins instances with [Res
O3 Security · Impact-Aware SCA

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CVE-2022-43434: neuvector-vulnerability — Fixed in 1.22