Optin Cat · Campaign Monitor Forms · CVE-2023-5098
**Name of the Vulnerable Software and Affected Versions**
Campaign Monitor Forms by Optin Cat WordPress plugin versions prior to 2.5.6
**Description**
The issue allows users with low privileges, such as subscribers, to overwrite any options on a site with the string "true", potentially leading to various outcomes, including Denial of Service (DoS).
**Recommendations**
For versions prior to 2.5.6, update to version 2.5.6 or later to resolve the issue. As a temporary workaround, consider restricting low-privileged users' access to sensitive site options until the update is applied.