The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 does not have authorisation and CSRF checks when updating options via a REST endpoint, and does not ensure that the option to be updated belongs to the click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.

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Fixes

Solution

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Workaround

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History

Sun, 11 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 11 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-269

Sun, 11 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Description The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 does not have authorisation and CSRF checks when updating options via a REST endpoint, and does not ensure that the option to be updated belongs to the click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.
Title click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Arbitrary Options Update
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-11T11:32:45.326Z

Reserved: 2026-09-01T13:21:56.676Z

Link: CVE-2026-84254

cve-icon Vulnrichment

Updated: 2026-10-11T11:25:10.551Z

cve-icon NVD

Status : Received

Published: 2026-10-11T07:17:25.180

Modified: 2026-10-11T12:17:23.040

Link: CVE-2026-84254

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T08:00:13Z

Weaknesses