Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate as Editor-role user
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DeliveryInvoke AI media management action on arbitrary post ID
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ExploitServer skips ownership/capability check
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ExecutionModify or change type of unauthorized posts
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ImpactTamper with site-wide content integrity
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Requires an authenticated account with the Editor role or above on a target WordPress site running AI Engine before 3.7.9; the plugin's AI media management actions fail to verify that the acting user owns or is permitted to edit the targeted object. This is the core precondition - no special plugin configuration is named in the description, so the flaw applies to default installs, but the PR:H barrier is the key limiting factor: subscriber/contributor/author-level and unauthenticated users cannot trigger it. Realistic risk is therefore concentrated in multi-author, editorial, agency, or multisite deployments where Editor-role users exist and are intentionally not trusted to modify site-wide content; single-administrator sites face little practical exposure. |
| Impact | This is a medium-severity (CVSS 4.9) broken access control / missing authorization issue (CWE-862), and the signals consistently point to a moderate, non-urgent priority rather than a critical one. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N shows network reach and low complexity, but crucially requires PR:H - a pre-authenticated account with Editor role or above - and impacts integrity only (C:N/A:N). CISA's SSVC framework reinforces a low-urgency read: Exploitation=none (no observed active exploitation), Automatable=no, and Technical Impact=partial. A public proof-of-concept exists (WPScan), so exploit code is available, but this is NOT the same as active exploitation - the CVE is not in CISA KEV. No EPSS score was provided in the input, so probabilistic exploitation likelihood cannot be factored in and should be verified separately. The main real-world risk is confined to multi-author, editorial, or multisite WordPress deployments where Editor-role users exist and are deliberately NOT trusted with site-wide content control; in single-admin or small sites the PR:H prerequisite makes this largely a privilege-boundary/insider concern rather than a broadly exploitable remote threat. |
| Exploit ScenarioDerived | On a multi-author WordPress site running AI Engine before 3.7.9, a user who has been granted the Editor role invokes an AI media management action against a post ID they do not own or are not permitted to edit. Because the plugin never verifies ownership or edit capability on the targeted object, the Editor can modify or change the type of arbitrary posts across the whole site, tampering with content outside their assigned scope. A public proof-of-concept for this flow has been published by WPScan. |
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Alert meAnalysisAIv1 – Oct 18, 2026
A broken access control flaw (CWE-862) in the WordPress plugin AI Engine before 3.7.9 lets users holding the Editor role or higher perform AI media management actions against posts they do not own and are not permitted to edit - modifying that content or changing its post type site-wide. Rated CVSS 4.9 (AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N), the impact is integrity-only and gated behind a privileged account, so exposure is concentrated in multi-author, agency, or multisite installations that deliberately distrust Editor-level users; single-administrator sites see little practical risk. Publicly available exploit code exists (WPScan published a proof-of-concept entry), but CISA SSVC records no observed exploitation and the vendor has released a fixed version, 3.7.9.
RemediationAI
Upgrade the AI Engine plugin to version 3.7.9 or later - this is the vendor-released patch and the only complete fix (WPScan advisory: https://wpscan.com/vulnerability/829fef5b-915c-4762-a90d-47a08d78266b/). Because exploitation requires an Editor-or-above account, a practical interim control is to audit and reduce the population of Editor-role users: downgrade non-essential Editors to Author or Contributor, since Authors cannot edit others' posts and therefore cannot reach the vulnerable action with meaningful effect - the trade-off is that those users lose the ability to publish or manage other people's content. On multisite networks, restrict which sites grant Editor privileges and review super-admin boundaries. Until patched, monitor post revisions and post-type changes for unexpected modifications by Editor-level accounts, and consider temporarily deactivating AI media management features if they are not in active use, accepting the loss of that functionality. Note that WAF and generic rate limiting offer weak protection here because the requests are legitimate, authenticated plugin traffic; publicly available exploit code exists, so treat the upgrade as time-sensitive even though no active exploitation has been observed.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
AI Engine is a WordPress plugin that provides AI-driven content generation and media management features. The vulnerable code paths handle AI media management actions but omit an ownership/authorization check on the target object - the classic CWE-862 (Missing Authorization) pattern, where a function is reachable and performs a state-changing operation without calling capability or ownership checks such as current_user_can( 'edit_post', $id ) or a post-author comparison. Because WordPress separates capabilities by role, Editor-role users can normally edit others' posts but should still be constrained by whatever policy the site intends; here the plugin never enforces object-level authorization at all, so an Editor can point the action at any post ID and mutate its content or its post type. The CVSS vector PR:H reflects that authentication at Editor level or above is required (WordPress Roles & Capabilities and the plugin's own permission gating), while AV:N/AC:L/UI:N indicate the action is reachable over HTTP without user interaction. CPE data lists the affected package generically (ai_engine, all versions before 3.7.9), consistent with the EUVD range 0 < 3.7.9; WordPress core itself is not affected - the flaw is entirely within the plugin.
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Editor role or above is required so PR:H; the action is a simple network request (AC:L, AV:N, UI:N); impact is unauthorized post modification only, so I:H with C:N and A:N.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
3DescriptionCVE.org
The AI Engine WordPress plugin before 3.7.9 does not verify that the user performing certain AI media management actions owns or is otherwise allowed to edit the targeted object, allowing users with the Editor role or above to modify, or change the type of, arbitrary posts on the site, including content they are not permitted to edit.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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EUVD-2026-103400
GHSA-gpmc-w2m9-78gw
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB