How severe is CVE-2022-0502?

CVE-2022-0502 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-0502?

CVE-2022-0502 affects the following packages: remdex/livehelperchat (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2022-0502?

Update remdex/livehelperchat to 3.93 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-0502 is resolved across your whole dependency graph.

How do I detect CVE-2022-0502 in my Packagist dependencies?

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.

How do I mitigate CVE-2022-0502 if there is no patch (or I can't update yet)?

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.

Is CVE-2022-0502 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2022-0502, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-0502?

CVE-2022-0502 has an EPSS (Exploit Prediction Scoring System) score of 0.6%, placing it in the 49th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-0502?

CVE-2022-0502 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2022-0502 published, and has it been updated?

CVE-2022-0502 was published on February 6, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

MEDIUM severity

CVE-2022-0502 — livehelperchat

MEDIUMFix: livehelperchat/livehelperchat@d3b107a

CVE-2022-0502 is a medium-severity (CVSS 6.5) Cross-site Scripting (XSS) vulnerability in remdex/livehelperchat. 1 public exploit or proof-of-concept reference is indexed, 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 asBIT-livehelperchat-2022-0502GHSA-57qf-82hh-2hmc

Published

Feb 6, 2022

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

1 known

Exploitation data as of Nov 7, 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 CVEs49th percentile — riskier than 49% of all scored CVEsHighest risk

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

🐘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

Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat prior to 3.93v.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`remdex/livehelperchat`	all versions	3.93`composer require remdex/livehelperchat:^3.93`

Affected Products

1 product · 1 configurations

Application

live helper chatlivehelperchat

≤ 3.92

range

Exploits & PoCs

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

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.
Fix
Update remdex/livehelperchat to 3.93 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-0502 is resolved across your whole dependency graph.
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

Cross-site Scripting (XSS) - Stored in Packagist remdex/livehelperchat prior to 3.93v.

O3 Security · Impact-Aware SCA

Is CVE-2022-0502 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No Nuclei template or Metasploit module yet. 1 public proof-of-concept reference is listed on this page.

Timeline

Disclosed

Feb 6, 2022

First exploit

Feb 11, 2022

5 days after disclosure — rapid exploitation

Last updated

Oct 28, 2026

Identifiers

CVE-2022-0502

GHSA-57qf-82hh-2hmc

BIT-livehelperchat-2022-0502

References

Advisorygithub.com · CVE 2022 0502.json Advisorynvd.nist.gov · CVE 2022 0502 Fixgithub.com · d3b107aaa8ec10816acc762d60e7321079c21706 Webhuntr.dev · 34f2aa30 de7f 432a 8749 b43d2774140f Packagegithub.com · livehelperchat

Related vulnerabilities

This CVE is medium severity; 8 of 8 other CVEs affecting remdex/livehelperchat are rated as high or higher (top: high).

CVE-2024-27516CVE-2022-1530CVE-2022-1213CVE-2022-1235CVE-2022-1176CVE-2022-0612CVE-2022-0394CVE-2022-0395

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026

CVE-2022-0502 — livehelperchat

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2022-0502 in your dependencies?