CVE-2026-22450 Overview
CVE-2026-22450 is a Missing Authorization vulnerability (CWE-862) affecting the Don Peppe WordPress theme developed by Select-Themes. This broken access control vulnerability allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized actions within affected WordPress installations.
Critical Impact
Attackers can bypass authorization checks to perform privileged operations without proper authentication, potentially compromising website integrity and data security.
Affected Products
- Don Peppe WordPress Theme version 1.3 and earlier
- All WordPress installations using vulnerable Don Peppe theme versions
Discovery Timeline
- January 22, 2026 - CVE-2026-22450 published to NVD
- January 22, 2026 - Last updated in NVD database
Technical Details for CVE-2026-22450
Vulnerability Analysis
This vulnerability stems from missing authorization checks within the Don Peppe WordPress theme. The theme fails to properly verify user permissions before allowing access to certain functionality, creating a broken access control condition. When authorization mechanisms are absent or improperly implemented, unauthenticated or low-privileged users may be able to access administrative functions or sensitive data that should be restricted.
WordPress themes that handle user interactions, AJAX endpoints, or administrative settings without proper capability checks are particularly susceptible to this class of vulnerability. The Don Peppe theme appears to expose functionality that lacks the necessary current_user_can() checks or nonce verification that WordPress security best practices require.
Root Cause
The root cause is the absence of proper authorization validation (CWE-862: Missing Authorization) in the Don Peppe theme codebase. The theme does not adequately verify that users have the required capabilities before processing requests or rendering protected content. This missing validation allows unauthorized access to functionality that should be restricted to administrators or authenticated users.
Attack Vector
An attacker can exploit this vulnerability by directly accessing unprotected endpoints or functionality within the Don Peppe theme. Without proper authorization checks, the attacker can bypass access controls by crafting requests to vulnerable theme components. This could be accomplished through:
- Direct requests to unprotected AJAX handlers
- Manipulation of form submissions that lack capability verification
- Accessing administrative theme settings without proper privileges
The attack does not require sophisticated techniques, as the fundamental issue is the complete absence of authorization checks rather than a bypass of existing controls.
Detection Methods for CVE-2026-22450
Indicators of Compromise
- Unexpected modifications to theme settings or WordPress options without administrator action
- Unauthorized AJAX requests to theme-specific endpoints in web server logs
- Evidence of privilege escalation or unauthorized administrative actions in WordPress audit logs
Detection Strategies
- Monitor WordPress audit logs for unauthorized access attempts to theme functionality
- Review web server access logs for suspicious requests to Don Peppe theme endpoints
- Implement Web Application Firewall (WAF) rules to detect and block unauthorized access patterns
Monitoring Recommendations
- Enable comprehensive WordPress activity logging using security plugins
- Configure alerts for unexpected changes to theme settings or site configurations
- Regularly audit user access patterns and review administrative action logs
How to Mitigate CVE-2026-22450
Immediate Actions Required
- Identify all WordPress installations using the Don Peppe theme version 1.3 or earlier
- Consider temporarily switching to an alternative theme until a patched version is available
- Implement additional access controls at the web server or WAF level
- Review WordPress user accounts and remove any suspicious or unauthorized accounts
Patch Information
At the time of publication, users should monitor the Patchstack WordPress Vulnerability Report for updates on vendor patches and remediation guidance. Contact Select-Themes directly for information about patched theme versions.
Workarounds
- Restrict access to WordPress administrative functions using IP-based access controls
- Implement additional authentication layers using WordPress security plugins
- Use a Web Application Firewall to filter and block suspicious requests to theme endpoints
- Temporarily disable or replace the vulnerable theme with a secure alternative until an official patch is released
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
