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Vulnerability Database/CVE-2026-111041

CVE-2026-111041: AI Engine WordPress Privilege Escalation

CVE-2026-111041 is a privilege escalation flaw in AI Engine WordPress plugin that lets editors modify arbitrary posts beyond their permissions. This post explains its impact, affected versions, and mitigation steps.

Published:

CVE-2026-111041 Overview

CVE-2026-111041 affects the AI Engine WordPress plugin in versions before 3.7.9. The plugin fails to verify ownership or edit permissions when users invoke certain AI media management actions. Any authenticated user with the Editor role or higher can modify arbitrary posts, including content they are not authorized to edit. Attackers can also change the post type of targeted objects. The flaw is categorized under CWE-862: Missing Authorization.

Critical Impact

Editors and higher-privileged users can tamper with arbitrary posts across a WordPress site, undermining content integrity and editorial boundaries.

Affected Products

  • AI Engine WordPress plugin versions prior to 3.7.9
  • WordPress sites assigning the Editor role or above to multiple users
  • Multi-author WordPress environments relying on per-post ownership enforcement

Discovery Timeline

  • 2026-10-18 - CVE-2026-111041 published to the National Vulnerability Database (NVD)
  • 2026-10-19 - Last updated in the NVD database

Technical Details for CVE-2026-111041

Vulnerability Analysis

The AI Engine plugin exposes AI media management actions that operate on WordPress post objects. These actions check that the caller holds a privileged WordPress role, but they do not verify whether the caller is the author of the targeted post or holds the specific edit_post capability for that object. As a result, the plugin treats role possession as sufficient authorization.

A user with the Editor role or above can submit requests that modify posts owned by other authors. The same actions permit changing a post's type, which can convert pages, custom post types, or private drafts into other content classes. This breaks WordPress's object-level permission model and bypasses editorial review workflows.

Root Cause

The root cause is a missing authorization check at the object level. The plugin relies on role-based gating rather than calling current_user_can('edit_post', $post_id) against the specific target. [CWE-862] vulnerabilities arise when application code enforces authentication but omits per-resource authorization.

Attack Vector

Exploitation requires an authenticated session with Editor-level privileges or higher. The attacker issues a crafted request to the vulnerable AI media management endpoint, supplying the identifier of a post owned by another user. The server performs the requested modification without checking ownership. No user interaction from the victim is required, and the attack is delivered over the network against the WordPress admin interface.

Technical details are documented in the WPScan Vulnerability Report.

Detection Methods for CVE-2026-111041

Indicators of Compromise

  • Unexpected changes to post post_type, post_author, or post_content fields in the wp_posts table attributed to AI Engine actions.
  • Audit log entries showing Editor-role users modifying posts authored by administrators or other editors.
  • Requests from authenticated sessions to AI Engine media management endpoints referencing post IDs the user does not own.

Detection Strategies

  • Review web server access logs for POST requests to AI Engine admin-ajax or REST endpoints followed by database writes to posts the caller did not create.
  • Compare post_modified timestamps against the authenticated user's authored content set to flag cross-author edits.
  • Deploy database triggers or audit plugins that record post_type transitions, which are rare in normal editorial workflows.

Monitoring Recommendations

  • Forward WordPress audit logs and web server logs to a centralized SIEM for correlation between HTTP activity and post mutations.
  • Alert on bulk post_type changes or edits performed by non-administrator accounts within short time windows.
  • Monitor the plugin version string across managed WordPress sites to confirm patched installations.

How to Mitigate CVE-2026-111041

Immediate Actions Required

  • Update the AI Engine plugin to version 3.7.9 or later on every WordPress site where it is installed.
  • Audit recent post modifications and post_type changes performed by Editor-role accounts since the plugin was deployed.
  • Review the roster of users holding Editor privileges or above and revoke access that is no longer required.

Patch Information

The vendor addressed the issue in AI Engine version 3.7.9 by adding object-level authorization checks to the affected AI media management actions. Confirm patched versions through the WordPress plugin administration screen. Reference the WPScan Vulnerability Report for release details.

Workarounds

  • Temporarily deactivate the AI Engine plugin until the upgrade to 3.7.9 is completed.
  • Restrict Editor-and-above assignments to a minimal trusted set of accounts while patching is pending.
  • Place the WordPress admin interface behind IP allow-listing or additional authentication to limit abuse of authenticated endpoints.
bash
# Verify installed AI Engine version via WP-CLI and upgrade
wp plugin get ai-engine --field=version
wp plugin update ai-engine --version=3.7.9

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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