CVE-2025-68021: ConveyThis Authorization Bypass Flaw

CVE-2025-68021 Overview

CVE-2025-68021 is a Missing Authorization vulnerability affecting the ConveyThis WordPress translation plugin (conveythis-translate). This security flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to protected functionality within WordPress installations using the vulnerable plugin.

Critical Impact

Unauthenticated attackers can bypass access controls to gain unauthorized access to plugin functionality, potentially exposing sensitive configuration data and disrupting translation services.

Affected Products

• ConveyThis WordPress Plugin versions through 269.5
• WordPress installations using the conveythis-translate plugin
• Websites relying on ConveyThis for multilingual content delivery

Discovery Timeline

• 2026-02-20 - CVE-2025-68021 published to NVD
• 2026-02-25 - Last updated in NVD database

Technical Details for CVE-2025-68021

Vulnerability Analysis

This vulnerability is classified as CWE-862 (Missing Authorization), a critical access control weakness where the application fails to perform authorization checks before allowing users to access protected resources or functionality. In the context of the ConveyThis plugin, this means certain administrative or privileged operations can be performed by users who should not have the necessary permissions.

The vulnerability is network-exploitable without requiring authentication or user interaction, making it particularly dangerous for publicly accessible WordPress sites. Successful exploitation could lead to information disclosure and availability impacts on the affected translation functionality.

Root Cause

The root cause of this vulnerability lies in the plugin's failure to implement proper authorization checks on sensitive endpoints or functions. When processing requests to certain plugin functionality, the ConveyThis plugin does not adequately verify that the requesting user has the appropriate permissions or capabilities within WordPress. This broken access control implementation allows attackers to directly access functionality that should be restricted to authenticated administrators or editors.

Attack Vector

The attack can be carried out remotely over the network by any unauthenticated user. An attacker would identify vulnerable endpoints within the ConveyThis plugin that lack proper authorization checks and craft HTTP requests to access these unprotected resources. Since no user interaction is required, automated scanning tools could potentially discover and exploit this vulnerability at scale across WordPress installations using affected versions of the plugin.

The vulnerability affects confidentiality and availability, potentially allowing attackers to read sensitive translation configuration data or disrupt the translation service functionality.

Detection Methods for CVE-2025-68021

Indicators of Compromise

• Unusual or unauthorized access attempts to ConveyThis plugin endpoints in web server access logs
• Unexpected changes to translation settings or configurations without administrator action
• Anonymous or unauthenticated requests to plugin administrative AJAX handlers
• Suspicious patterns of requests to /wp-admin/admin-ajax.php with ConveyThis-related actions

Detection Strategies

• Monitor WordPress access logs for requests to ConveyThis plugin endpoints from unauthenticated users
• Implement Web Application Firewall (WAF) rules to detect and block suspicious access patterns
• Review WordPress audit logs for unauthorized configuration changes to the translation plugin
• Deploy endpoint detection solutions to identify exploitation attempts against WordPress installations

Monitoring Recommendations

• Enable comprehensive logging for all WordPress AJAX requests and plugin API calls
• Configure alerts for access attempts to administrative plugin functions from non-privileged users
• Regularly audit ConveyThis plugin configuration for unexpected modifications
• Monitor network traffic for unusual patterns targeting WordPress plugin endpoints

How to Mitigate CVE-2025-68021

Immediate Actions Required

• Update the ConveyThis plugin to a patched version beyond 269.5 when available
• Review and restrict access to WordPress administrative endpoints at the web server level
• Implement additional authentication requirements for sensitive plugin functionality
• Consider temporarily disabling the plugin if no patch is available and risk is unacceptable

Patch Information

Detailed vulnerability information and patch status can be found in the Patchstack WordPress Vulnerability Report. Site administrators should check the WordPress plugin repository for updated versions that address this authorization bypass vulnerability.

Workarounds

• Implement server-level access restrictions (IP whitelisting) for WordPress admin areas and AJAX endpoints
• Use a Web Application Firewall (WAF) to filter malicious requests targeting the ConveyThis plugin
• Apply the principle of least privilege by limiting plugin installation permissions
• Consider using WordPress security plugins that add additional access control layers to plugin functionality

# Apache .htaccess example to restrict access to admin-ajax.php
# Add to WordPress root .htaccess file
<Files admin-ajax.php>
    Order deny,allow
    Deny from all
    # Allow specific trusted IPs
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Files>