CVE-2022-0394Public exploitNetwork attack vector

Stored XSS via Angular-bound widget-theme name

Published Jan 28, 2022 · Updated Jun 9, 2025

Stored XSS in LiveHelperChat Live Helper Chat before 3.93 allows remote authenticated users to execute script via a widget-theme name. FAQ and questionnaire embed-code templates let AngularJS compile the stored name; the patch marks those template regions as non-bindable. A user must be able to create a widget theme, and another user must open an affected embed-code page; script runs in the viewer's browser context.

CVSS severity5.4
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in LiveHelperChat Live Helper Chat before 3.93 allows remote authenticated users to execute script via a widget-theme name. FAQ and questionnaire embed-code templates let AngularJS compile the stored name; the patch marks those template regions as non-bindable. A user must be able to create a widget theme, and another user must open an affected embed-code page; script runs in the viewer's browser context.

The record

CVE
CVE-2022-0394
Published
Jan 28, 2022
Updated
Jun 9, 2025
Vendor
LiveHelperChat
Product
Live Helper Chat
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <3.93v

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

LiveHelperChat · Live Helper Chatversion=unspecified <3.93v

Published CVSS scores

5.3huntr.devCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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