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Livehelperchat CVE-2022-1234

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2022-04-06 security@huntr.dev
6.1
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

XSS in livehelperchat in GitHub repository livehelperchat/livehelperchat prior to 3.97. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. XSS in livehelperchat in GitHub repository livehelperchat/livehelperchat prior to 3.97. This vulnerability has the potential to deface websites, result in compromised user accounts, and can run malicious code on web pages, which can lead to a compromise of the user’s device. Affected products include: Livehelperchat Live Helper Chat. Version information: prior to 3.97..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

XSS in livehelperchat in GitHub repository livehelperchat/livehelperchat prior to 3.97. This vulnerability has the potential to deface websites, result in compromised user accounts, and can run malicious code on web pages, which can lead to a compromise of the user’s device.

Threat Intelligence Overview

EPSS Score
0.7%
Top 51% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +30
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:livehelperchat:live_helper_chat:*:*:*:*:*:*:*:*
CVE-2022-0935 HIGH POC
8.8 Apr 07

Host Header injection in password Reset in GitHub repository livehelperchat/livehelperchat prior to 3.97. Rated high sev

CVE-2021-4131 HIGH POC
8.8 Dec 18

livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is

CVE-2022-1235 HIGH POC
8.2 Apr 05

Weak secrethash can be brute-forced in GitHub repository livehelperchat/livehelperchat prior to 3.96. Rated high severit

CVE-2022-1213 HIGH POC
8.1 Apr 05

SSRF filter bypass port 80, 433 in GitHub repository livehelperchat/livehelperchat prior to 3.67v. Rated high severity (

CVE-2022-1191 HIGH POC
8.1 Mar 31

SSRF on index.php/cobrowse/proxycss/ in GitHub repository livehelperchat/livehelperchat prior to 3.96. Rated high severi

CVE-2022-1176 HIGH POC
7.5 Mar 31

Loose comparison causes IDOR on multiple endpoints in GitHub repository livehelperchat/livehelperchat prior to 3.96. Rat

CVE-2021-4123 MEDIUM POC
6.5 Dec 16

livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability

CVE-2021-4049 MEDIUM POC
6.5 Dec 07

livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF). Rated medium severity (CVSS 6.5), this vulnerability

CVE-2022-1530 MEDIUM POC
6.1 Apr 29

Cross-site Scripting (XSS) in GitHub repository livehelperchat/livehelperchat prior to 3.99v. Rated medium severity (CVS

CVE-2021-4176 MEDIUM POC
6.1 Dec 29

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

CVE-2021-4169 MEDIUM POC
6.1 Dec 26

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

CVE-2021-4050 MEDIUM POC
6.1 Dec 08

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

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