What is CVE-2022-0387?

CVE-2022-0387 is a medium-severity vulnerability in Livehelperchat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-27.

How severe is CVE-2022-0387?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2022-0387 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Livehelperchat

CVE-2022-0387

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Livehelperchat
Livehelperchat Livehelperchat/livehelperchat — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/2e09035b-8f98-4930-b7e8-7abe5f722b98 (Exploit, Third Party Advisory)
github.com/livehelperchat/livehelperchat/commit/ff70c7dd641b68b9afb170b89ec1ef0… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0387?: CVE-2022-0387 is a medium-severity vulnerability in Livehelperchat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-27.
How severe is CVE-2022-0387?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2022-0387 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.