What is CVE-2025-3774?

CVE-2025-3774 is a high-severity vulnerability in Marcinlawrowski Wise Chat, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-06-17.

How severe is CVE-2025-3774?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Marcinlawrowski Wise Chat

CVE-2025-3774

The Wise Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the X-Forwarded-For header in all versions up to, and including, 3.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Marcinlawrowski Wise Chat — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-3774?: CVE-2025-3774 is a high-severity vulnerability in Marcinlawrowski Wise Chat, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-06-17.
How severe is CVE-2025-3774?: High severity. CVSS v3 base score is 7.2 out of 10.