CVE-2026-84253
Critical
Description
The click5 CRM add-on to Gravity Forms WordPress plugin through 1.0.3 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 Gravity Forms WordPress plugin through 1.0.3. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.
SeverityCritical
CVSS9.8
Exploit probability—
Productclick5 CRM add-on to Gravity Forms
PublishedOct 11, 2026
First seenOct 11, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| click5 CRM add-on to Gravity Forms | v ≤ 1.0.3 | — |
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