CVE-2025-68558: Depicter Slider Auth Bypass Vulnerability

CVE-2025-68558 Overview

A Missing Authorization vulnerability has been identified in the Depicter Slider WordPress plugin by averta. This security flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to plugin functionality that should be restricted to authenticated or privileged users.

The vulnerability stems from the plugin's failure to properly verify user permissions before allowing access to certain features or endpoints. This type of broken access control vulnerability is particularly concerning in WordPress environments where plugins often handle sensitive content management operations.

Critical Impact

Unauthorized users may be able to access, modify, or manipulate slider content and plugin settings without proper authentication or authorization checks, potentially leading to website defacement or further exploitation.

Affected Products

• Depicter Slider plugin versions up to and including 4.0.4
• WordPress installations running vulnerable versions of the Depicter plugin
• Websites using the depicter slug for the affected plugin

Discovery Timeline

• 2026-01-22 - CVE CVE-2025-68558 published to NVD
• 2026-01-22 - Last updated in NVD database

Technical Details for CVE-2025-68558

Vulnerability Analysis

This vulnerability is classified under CWE-862 (Missing Authorization), which occurs when software does not perform an authorization check when an actor attempts to access a resource or perform an action. In the context of the Depicter Slider plugin, certain administrative or privileged functions lack proper capability checks, allowing unauthorized users to interact with functionality that should be protected.

WordPress plugins typically use capability checks like current_user_can() to verify that the logged-in user has appropriate permissions before executing sensitive operations. When these checks are missing or improperly implemented, it creates a broken access control condition that attackers can exploit.

Root Cause

The root cause of this vulnerability is the absence of proper authorization verification in the Depicter Slider plugin's code paths. WordPress plugins must implement explicit permission checks on all sensitive operations, including AJAX handlers, REST API endpoints, and administrative functions. The plugin versions through 4.0.4 fail to adequately validate user capabilities before processing certain requests.

Attack Vector

An attacker can exploit this vulnerability by directly accessing the vulnerable endpoints or functions without proper authentication credentials. The attack does not require any special privileges - an unauthenticated user or a user with low-level privileges (such as subscriber) may be able to:

1. Access administrative functionality intended only for administrators
2. Modify slider content or plugin configurations
3. Potentially chain this vulnerability with other issues for more severe attacks

Since no verified code examples are available, the vulnerability mechanism involves missing capability checks on plugin action handlers. The exact exploitation method depends on which specific functions lack authorization. Refer to the Patchstack Vulnerability Report for detailed technical information about the affected endpoints.

Detection Methods for CVE-2025-68558

Indicators of Compromise

• Unexpected modifications to slider content or configurations without corresponding admin activity
• Unusual requests to Depicter plugin AJAX handlers or REST endpoints from unauthenticated sessions
• Log entries showing access to plugin administrative functions by non-privileged users
• Changes to slider settings that cannot be attributed to authorized administrators

Detection Strategies

• Review web server access logs for suspicious requests targeting /wp-admin/admin-ajax.php with Depicter-related actions
• Monitor WordPress plugin activity logs for unauthorized modifications to slider content
• Implement Web Application Firewall (WAF) rules to detect and block exploitation attempts targeting known vulnerable endpoints
• Use WordPress security plugins to audit user activity and flag unauthorized access attempts

Monitoring Recommendations

• Enable verbose logging for the WordPress AJAX handler to capture all incoming requests
• Implement file integrity monitoring on the Depicter plugin directory to detect unauthorized changes
• Configure alerts for any REST API or AJAX requests to Depicter endpoints from non-admin users
• Regularly audit user roles and capabilities to ensure principle of least privilege is enforced

How to Mitigate CVE-2025-68558

Immediate Actions Required

• Update the Depicter Slider plugin to the latest available version that includes the security fix
• Temporarily disable the Depicter Slider plugin if an immediate update is not possible
• Review recent site activity for signs of unauthorized access or modifications
• Audit slider content and plugin settings for any unexpected changes

Patch Information

Users should update to a version of Depicter Slider newer than 4.0.4 that includes proper authorization checks. Check the official plugin repository or the vendor's website for the latest security update. For detailed patch information, refer to the Patchstack Vulnerability Report.

Workarounds

• Restrict access to WordPress admin AJAX endpoints using server-level access controls
• Implement additional authentication layers using security plugins that enforce nonce verification
• Use a Web Application Firewall (WAF) to block unauthorized requests to plugin endpoints
• Disable the plugin entirely until an official patch is applied if the slider functionality is not critical

# Temporary mitigation: Restrict access to plugin directory via .htaccess
# Add to /wp-content/plugins/depicter/.htaccess

<FilesMatch "\.(php)$">
    Order Deny,Allow
    Deny from all
    Allow from 127.0.0.1
</FilesMatch>

# Note: This may break plugin functionality - use only as emergency measure
# Proper solution is to update to a patched version