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The Campaign Monitor Forms by Optin Cat WordPress plugin before 2.5.6 does not prevent users with low privileges (like subscribers) from overwriting any options on a site with the string "true", which could lead to a variety of outcomes, including DoS.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Campaign Monitor Wp Plugin | — | Update campaign-monitor-wp plugin to version 2.5.6, or a newer patched version | May 15, 2025 | Oct 9, 2023 |
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