What is CVE-2022-3391?

CVE-2022-3391 is a medium-severity vulnerability in Retain Live Chat, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-10-25.

How severe is CVE-2022-3391?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2022-3391 known to be exploited?

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

XSS in Retain Live Chat

CVE-2022-3391

The Retain Live Chat WordPress plugin through 0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% 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

Retain Live Chat
Retain Live Chat — versions 0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/ecc51420-ee50-4e39-a38d-09686f1996f2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3391?: CVE-2022-3391 is a medium-severity vulnerability in Retain Live Chat, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-10-25.
How severe is CVE-2022-3391?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2022-3391 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.