CVE-2026-84261 Click5 CRM - Stored XSS

Click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 contains a stored XSS caused by unsanitized and unescaped content submitted through an unauthenticated endpoint, letting unauthenticated attackers execute scripts in admin pages, exploit requires no authentication.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
11 October 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version of Click5 CRM add-on to Contact Form 7 WordPress plugin.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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