What is CVE-2026-84261?

CVE-2026-84261 is a high-severity vulnerability in Click5 Crm Add-On To Contact Form 7, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-10-11.

How severe is CVE-2026-84261?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Click5 Crm Add-On To Contact Form 7

CVE-2026-84261

The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-11 · last modified 2026-10-11.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Click5 Crm Add-On To Contact Form 7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/91689a2c-a282-496b-b295-435647a0bf7d/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-84261?: CVE-2026-84261 is a high-severity vulnerability in Click5 Crm Add-On To Contact Form 7, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-10-11.
How severe is CVE-2026-84261?: High severity. CVSS v3 base score is 8.8 out of 10.