What is the CVSS score of EUVD-2025-210403?

EUVD-2025-210403 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Which versions of OpenAI Chatbot Helper are affected by EUVD-2025-210403?

The Merkulove OpenAI Chatbot for WordPress plugin versions 1.1.4 and earlier contains an authorization bypass allowing remote unauthenticated attackers to delete arbitrary site content.

How to fix or mitigate EUVD-2025-210403?

Within 24 hours: Inventory all WordPress installations and identify sites running Merkulove OpenAI Chatbot for WordPress Helper versions ≤1.1.4. Within 7 days: Disable and uninstall the plugin from all affected production instances; contact vendor for patched version timeline or identify alternative chatbot solutions. Within 30 days: Implement Web Application Firewall rules to block vulnerable plugin action endpoints if removal is delayed; enable automated WordPress plugin version monitoring to catch future vulnerable releases.

OpenAI Chatbot Helper EUVD-2025-210403

| CVE-2025-69134 HIGH

Missing Authorization (CWE-862)

2026-07-02 Patchstack

GHSA-7hx3-543p-gqmx

WordPress Authentication Bypass Wordpress Plugin Openai Chatbot For Wordpress Helper Merkulove

7.5

CVSS 3.1 · Vendor: Patchstack

Severity by source

Vendor (Patchstack) PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vuln.today AI

7.5 HIGH

Remote unauthenticated request with no interaction (AV:N/AC:L/PR:N/UI:N); impact is content deletion affecting availability only (A:H), with no confidentiality or integrity loss.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Jul 02, 2026 - 12:05 vuln.today

CVE Published

Jul 02, 2026 - 11:14 cve.org

HIGH 7.5

DescriptionCVE.org

Unauthenticated Arbitrary Content Deletion in OpenAI Chatbot for WordPress - Helper <= 1.1.4 versions.

AnalysisAI

Arbitrary content deletion in the Merkulove 'OpenAI Chatbot for WordPress - Helper' plugin (versions 1.1.4 and earlier) lets remote unauthenticated attackers destroy site content by invoking a plugin action that lacks an authorization check. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, A:H) confirms network-reachable, no-privilege, no-interaction exploitation with high availability impact and no confidentiality or integrity compromise. No public exploit identified at time of analysis, and it is not listed in CISA KEV.

Technical ContextAI

The affected component is a WordPress plugin (CPE cpe:2.3:a:merkulove:openai_chatbot_for_wordpress_-_helper) that integrates OpenAI-powered chatbot functionality into WordPress sites. The root cause is CWE-862 (Missing Authorization): a content-deletion endpoint - typically an AJAX (admin-ajax.php) or REST handler in WordPress plugins of this type - is registered without a capability check or nonce validation, so it executes for any caller including anonymous (nopriv) requests. WordPress plugins commonly expose such actions via the wp_ajax_nopriv_ hook, and when the deletion logic omits current_user_can() gating, any visitor can trigger destructive operations.

RemediationAI

No vendor-released patch version is identified in the available data, so no fixed version can be cited with confidence; consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/helper/vulnerability/wordpress-openai-chatbot-for-wordpress-helper-plugin-1-1-4-arbitrary-content-deletion-vulnerability?_s_id=cve) and the plugin vendor for an upgrade beyond 1.1.4. Until a patched release is confirmed, the safest compensating control is to deactivate and remove the plugin, which fully eliminates the vulnerable endpoint at the cost of losing chatbot functionality. If the plugin must remain active, place a Web Application Firewall (Patchstack's own vPatch or an equivalent WAF) in front of the site to block requests to the plugin's deletion action, and restrict access to wp-admin/admin-ajax.php and any plugin REST routes by IP where feasible - noting that admin-ajax.php restrictions can break legitimate front-end AJAX features and must be tested.