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MEDIUM severity

yetiforcecrm is vulnerable to Cross-site ScriptingGHSA-fwh7-v4gf-xv7w

MEDIUMFix: yetiforcecompany/yetiforcecrm@9cdb012

GHSA-fwh7-v4gf-xv7w is a medium-severity (CVSS 6.6) Cross-site Scripting (XSS) vulnerability in yetiforce/yetiforce-crm. 1 public exploit reference exists, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Also known asCVE-2021-4116
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk+0.01%
Lower risk than most CVEs39th percentile — riskier than 39% of all scored CVEsHighest risk
0.00%0.32%0.65%0.97%0.1%0.5%Apr 26Sep 26Oct 26

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

How urgent is this, really

GHSA-fwh7-v4gf-xv7w by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 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
🐘yetiforce/yetiforce-crm

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

Description

yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistyetiforce/yetiforce-crmall versionsNo fix

Affected Products

1 product · 1 configurations
Application
yetiforce customer relationship managementyetiforce
≤ 6.3.0
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

yetiforcecrm is vulnerable to Improper Neutralization of Input During We…

huntr.devNVDDec 2021

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for yetiforce/yetiforce-crm, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of yetiforce/yetiforce-crm has shipped for GHSA-fwh7-v4gf-xv7w 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

    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

yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
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yetiforcecrm is vulnerable to Cross-site Scripting