What is CVE-2022-0253?

CVE-2022-0253 is a medium-severity vulnerability in Livehelperchat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-17.

How severe is CVE-2022-0253?

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

XSS in Livehelperchat

CVE-2022-0253

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-17 · 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: 0.008 (55.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Livehelperchat
Livehelperchat Livehelperchat/livehelperchat — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/ac7f7eba-ee0b-4a50-bd89-29fd9b3e8303 (Exploit, Third Party Advisory)
github.com/livehelperchat/livehelperchat/commit/407d0b1a1fa56fa6f824a19092774f1… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0253?: CVE-2022-0253 is a medium-severity vulnerability in Livehelperchat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-17.
How severe is CVE-2022-0253?: Medium severity. CVSS v3 base score is 5.4 out of 10.