EUVD-2026-70571
GHSA-m35q-543g-q7p4
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Subscriber-level auth (PR:L) is required; network-reachable endpoint with no interaction; no availability impact described.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
3DescriptionCVE.org
Subscriber Broken Access Control in Agentimus - AI SEO, llms.txt & MCP for AI Agents <= 1.51.0 versions.
AnalysisAI
Broken access control in the Agentimus AI SEO, llms.txt & MCP for AI Agents WordPress plugin (versions <= 1.51.0) allows any subscriber-level authenticated user to perform privileged administrative actions. The plugin fails to enforce capability checks on one or more endpoints, enabling low-privilege users to read or modify sensitive plugin data - including AI SEO configuration, llms.txt content, and MCP agent settings. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid WordPress account with at minimum subscriber-level privileges on the target site, as confirmed by the CVSS PR:L metric. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 8.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) accurately reflects the core risk: network-reachable, no interaction required, low complexity, and subscriber-level access only. … 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 | Update the Agentimus plugin to a version above 1.51.0 as soon as it is available from the WordPress plugin repository; the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/agentimus/vulnerability/wordpress-agentimus-ai-seo-llms-txt-mcp-for-ai-agents-plugin-1-51-0-broken-access-control-vulnerability should be monitored for the confirmed fixed release version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, disable the Agentimus AI SEO, llms.txt & MCP for AI Agents plugin on all WordPress instances running version 1.51.0 or earlier, or restrict subscriber user registration if the plugin is operationally critical. …
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
Leaving vuln.today