The School Management WordPress plugin before 9.9.7 contains an obfuscated backdoor injected in it’s license checking code that registers a REST API handler, allowing an unauthenticated attacker to execute arbitrary PHP code on the site.
[
{
"vendor": "Unknown",
"product": "school-management-pro",
"versions": [
{
"status": "affected",
"versionType": "semver",
"version": "0",
"lessThan": "9.9.7"
}
],
"defaultStatus": "unaffected"
}
]