CVE-2026-39583: Datalogics Ecommerce Privilege Escalation

CVE-2026-39583 Overview

CVE-2026-39583 is an unauthenticated privilege escalation vulnerability in the Datalogics Ecommerce Delivery plugin for WordPress, affecting all versions up to and including 2.6.62. The flaw is classified under [CWE-266] Incorrect Privilege Assignment. Remote attackers can elevate privileges without authentication, gaining administrative control over the affected WordPress site.

Critical Impact
Unauthenticated attackers can escalate privileges remotely over the network, leading to full site compromise, content manipulation, data exfiltration, and persistent backdoor installation.

Affected Products

Datalogics Ecommerce Delivery plugin for WordPress, versions <= 2.6.62
WordPress installations with the vulnerable plugin enabled
Sites exposing plugin endpoints to the public internet

Discovery Timeline

2026-06-15 - CVE-2026-39583 published to the National Vulnerability Database
2026-06-17 - Last updated in the NVD database
2026-06-18 - EPSS score calculated at 0.357% (27.4 percentile)

Technical Details for CVE-2026-39583

Vulnerability Analysis

The Datalogics Ecommerce Delivery plugin contains a privilege assignment flaw that permits unauthenticated users to escalate their privileges. The vulnerability falls under [CWE-266] Incorrect Privilege Assignment, indicating the plugin grants elevated rights to actors who should not receive them. An attacker reaches the vulnerable code path over the network without prior credentials or user interaction.

Successful exploitation yields administrator-level access to WordPress. This allows the attacker to install arbitrary plugins, upload malicious themes, modify content, exfiltrate database contents, and pivot deeper into the hosting environment. Because the plugin handles ecommerce delivery workflows, customer order data and payment-related metadata are also exposed.

Root Cause

The root cause is improper privilege validation in plugin request handlers. The plugin assigns or accepts elevated role values without verifying the requester's authentication state or capability. Public-facing endpoints process role or user-modification operations that should be restricted to administrators. Refer to the Patchstack advisory for vendor-specific technical details.

Attack Vector

The attack vector is network-based with low complexity. An attacker sends crafted HTTP requests to a vulnerable plugin endpoint on a target WordPress site. No credentials, tokens, or user interaction are required. The request either creates a new user with elevated capabilities or modifies an existing low-privileged account to gain administrative rights. After privilege escalation, the attacker authenticates as an administrator and performs follow-on actions through the standard WordPress admin interface.

No verified public exploit code is available at this time. Technical specifics are described in the Patchstack vulnerability entry.

Detection Methods for CVE-2026-39583

Indicators of Compromise

Unexpected WordPress user accounts with administrator role created without an audit trail
Existing low-privileged accounts whose role was modified to administrator or editor
HTTP POST requests to Datalogics plugin endpoints under /wp-content/plugins/datalogics/ from unauthenticated sessions
New plugin or theme uploads, file edits via theme-editor.php, or scheduled tasks (wp_cron) created after suspicious requests

Detection Strategies

Inspect the wp_users and wp_usermeta tables for accounts created or modified outside of expected administrative activity windows
Correlate web server access logs against plugin endpoint patterns and flag unauthenticated requests that precede privilege changes
Deploy WordPress audit logging to capture role changes, user creation, and capability modifications with timestamps and source IPs

Monitoring Recommendations

Forward WordPress, web server, and WAF logs to a centralized analytics platform for correlation across user-creation and plugin-request events
Alert on any administrator account creation that does not originate from a known administrative IP range or session
Monitor outbound connections from the WordPress host for indicators of post-exploitation tooling such as webshells or reverse shells

How to Mitigate CVE-2026-39583

Immediate Actions Required

Disable the Datalogics Ecommerce Delivery plugin until a patched version is verified and applied
Audit all WordPress user accounts and remove unauthorized administrators or recently elevated roles
Rotate credentials for all administrator accounts and force password resets for remaining users
Restrict access to /wp-admin/ and plugin endpoints via IP allow-listing or a Web Application Firewall (WAF)

Patch Information

The vulnerability affects Datalogics Ecommerce Delivery <= 2.6.62. Update to a release later than 2.6.62 once published by the vendor. Monitor the Patchstack advisory for the fixed version and confirm the plugin is updated through the WordPress admin dashboard or by replacing files manually.

Workarounds

Deactivate the plugin in wp-admin > Plugins until a patched release is available
Add WAF rules that block unauthenticated POST requests targeting Datalogics plugin endpoints
Restrict plugin directory access at the web server level using Require ip or equivalent directives
Enforce multi-factor authentication on all administrator accounts to limit damage from credential abuse

bash

# Apache configuration example to restrict plugin endpoint access
<Location "/wp-content/plugins/datalogics/">
    Require ip 203.0.113.0/24
    Require all denied
</Location>

# Quickly disable the vulnerable plugin via WP-CLI
wp plugin deactivate datalogics --allow-root