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MEDIUM severity

CVE-2022-0387 — livehelperchat

MEDIUMFix: livehelperchat/livehelperchat@ff70c7d

CVE-2022-0387 is a medium-severity (CVSS 6.3) Cross-site Scripting (XSS) vulnerability in remdex/livehelperchat. 1 public exploit reference exists, so weaponization risk is real. A fix is available for remdex/livehelperchat — see the affected versions and patch details below.

Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat

Also known asGHSA-w4hp-pcp8-qhf3
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Sep 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs48th percentile — riskier than 48% of all scored CVEsHighest risk
0.00%0.38%0.76%1.13%0.3%0.3%0.3%0.6%0.6%Apr 26Jun 26Sep 26

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

How urgent is this, really

CVE-2022-0387 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
🐘remdex/livehelperchat

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

Stored XSS is found in Settings>Live help configuration>Departments->Departments groups->edit When a user creates a new webhook under the NAME field and puts a payload {{constructor.constructor('alert(1)')()}}, the input gets stored, at user edit groupname , the payload gets executed.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistremdex/livehelperchatall versions3.93composer require remdex/livehelperchat:^3.93

Affected Products

1 product · 1 configurations
Application
livehelperchatlivehelperchat
< 3.93v
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.

Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat p…

huntr.devNVDFeb 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update remdex/livehelperchat to 3.93 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-0387 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

Stored XSS is found in Settings>Live help configuration>Departments->Departments groups->edit When a user creates a new webhook under the NAME field and puts a payload {{constructor.constructor('alert(1)')()}}, the input gets stored, at user edit groupname , the payload gets executed.
O3 Security · Impact-Aware SCA

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CVE-2022-0387: livehelperchat XSS — Fixed in 3.93