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.
[
{
"vendor": "Unknown",
"product": "Campaign Monitor Forms by Optin Cat",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "2.5.6"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]