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CVE-2026-84254: click5 CRM add-on to Contact Form 7 0 through 1.0.4
CVE-2026-84254. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory).
Affected technology
click5 CRM add-on to Contact Form 7 · 0 through 1.0.4
Vendor not specified by the source
Description’s affected range: through 1.0.4 does not have authorisation and CSRF checks when updating options via a REST endpoint
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-862
- CCR priority
- 39.2 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-11 14:36:08.397997+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-11 14:33:42.764061+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-84254.html