EUVD-2026-71851
GHSA-rp68-vhcr-9v26
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network API request with no user interaction yields administrator context (PR:N/AC:L/UI:N), and full admin control implies complete confidentiality, integrity, and availability impact.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
6DescriptionCVE.org
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.
AnalysisAI
Site takeover in the SEO Flow by LupsOnline WordPress plugin (versions 3.0.0 through before 3.0.3) stems from improper validation of the credential supplied with the plugin's API requests, allowing unauthenticated attackers to be served in the security context of the administrator who configured the plugin. Because the flaw grants effective administrator-level access, an attacker can fully compromise the affected WordPress site. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The single required precondition is that the SEO Flow by LupsOnline plugin (below 3.0.3) has been configured with an administrator's credential - which the description explicitly notes is its normal operating state, so this is not a limiting factor in practice. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects unauthenticated, network-reachable, low-complexity exploitation with full confidentiality, integrity, and availability impact - consistent with site takeover. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade the SEO Flow by LupsOnline plugin to version 3.0.3 or later, which is the vendor-released patch that corrects the API credential validation (Vendor-released patch: 3.0.3). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct a complete inventory of WordPress installations using SEO Flow by LupsOnline and identify all instances running versions 3.0.0 through 3.0.2; flag these as critical priority. …
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
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