CVE-2026-78362: SEO Flow by LupsOnline 3.0.0 - 3.0.2 - Unauthenticated Privilege Escalation via API Key Authentication
The SEO Flow by LupsOnline WordPress plugin before 3.0.3 does not correctly validate the credential supplied with its API requests, allowing unauthenticated users to be served as the administrator who configured the SEO Flow by LupsOnline WordPress plugin before 3.0.3 and take over the site. Exploitation requires the SEO Flow by LupsOnline WordPress plugin before 3.0.3 to have been configured, which is its normal operating state.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SEO Flow by LupsOnline WordPressto a version that resolves this vulnerability.Fixed in 3.0.3 - Operational
If the SEO Flow by LupsOnline WordPress plugin API key credentials were exposed by an unauthenticated attacker before upgrading to 3.0.3, rotate/revoke those credentials after upgrading.
Event History
Frequently Asked Questions
Which sites are realistically exposed to takeover?
Sites using SEO Flow by LupsOnline versions 3.0.0 through 3.0.2 are exposed when the plugin has been configured. Configuration is the plugin’s normal operating state, so deployed instances should be treated as potentially affected.
Does an attacker need an account or valid API credential?
No. The issue allows unauthenticated users to be treated as the administrator who configured the plugin because supplied API credentials are not correctly validated.
What is the immediate remediation?
Update the plugin to version 3.0.3 or later. The affected versions are those before 3.0.3.