CVE-2025-46262 Overview
CVE-2025-46262 is a stored cross-site scripting (XSS) vulnerability in the Mad Mimi for WordPress plugin developed by Zack Katz. The flaw affects all versions of the plugin up to and including 1.5.1. It results from improper neutralization of user-supplied input during web page generation, classified under [CWE-79]. An authenticated attacker with low privileges can inject persistent JavaScript payloads that execute in the browsers of other users who view the affected pages.
Critical Impact
Stored XSS enables attackers to hijack sessions, steal credentials, or perform actions in the context of higher-privileged WordPress users when they visit compromised pages.
Affected Products
- Mad Mimi for WordPress plugin versions through 1.5.1
- WordPress sites running the Zack Katz Mad Mimi integration
- Any WordPress installation with the vulnerable plugin activated
Discovery Timeline
- 2025-05-19 - CVE-2025-46262 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-46262
Vulnerability Analysis
The Mad Mimi for WordPress plugin fails to properly sanitize and encode user-supplied input before rendering it within web pages. This allows an authenticated user with contributor-level or higher access to inject arbitrary HTML and JavaScript. Because the payload is stored in the WordPress database, it executes whenever another user loads the affected page.
The attack requires user interaction and crosses a trust boundary, since the injected script runs in the context of the victim's session and origin. Successful exploitation can lead to administrative account takeover, exfiltration of sensitive data, or delivery of secondary payloads through the browser.
Root Cause
The root cause is missing or insufficient output encoding in the plugin's rendering logic. Input received through plugin-controlled fields is written back to the DOM without escape functions such as esc_html(), esc_attr(), or wp_kses(). This breaks WordPress's expected sanitization contract and permits script tags and event handlers to persist in stored content.
Attack Vector
Exploitation occurs over the network and requires the attacker to hold a low-privilege authenticated account on the target WordPress site. The attacker submits crafted input containing JavaScript through a plugin-managed field. When an administrator or other privileged user views the affected page, the stored payload executes in their browser session, changing the security scope from the attacker's context to the victim's.
Refer to the Patchstack Vulnerability Report for additional technical details.
Detection Methods for CVE-2025-46262
Indicators of Compromise
- Unexpected <script> tags, javascript: URIs, or inline event handlers (onerror, onload, onclick) stored in plugin-managed WordPress content
- Outbound browser requests from administrator sessions to unfamiliar domains shortly after loading pages that render Mad Mimi plugin data
- New or modified WordPress administrator accounts created without an audit trail
- Unusual modifications to plugin database rows containing HTML-encoded payloads
Detection Strategies
- Audit the WordPress database for stored content containing script tags or encoded JavaScript within Mad Mimi plugin tables and options
- Inspect web server access logs for POST requests to plugin endpoints from low-privilege user accounts containing suspicious payload patterns
- Deploy a web application firewall rule set that flags XSS payload signatures targeting WordPress plugin endpoints
Monitoring Recommendations
- Enable WordPress activity logging to capture edits made by contributor and author roles to plugin-managed content
- Monitor administrator browser sessions for anomalous JavaScript execution and cross-origin requests
- Alert on newly created WordPress users with elevated roles or changes to existing user capabilities
How to Mitigate CVE-2025-46262
Immediate Actions Required
- Deactivate the Mad Mimi for WordPress plugin until a patched version is confirmed available from the vendor
- Review contributor, author, and editor accounts, and disable any that are unused or suspicious
- Audit stored plugin content and remove any entries containing script tags or unexpected HTML
- Force password resets for all privileged WordPress accounts that may have viewed injected content
Patch Information
At the time of publication, versions of Mad Mimi for WordPress up to and including 1.5.1 are affected. Consult the Patchstack Vulnerability Report for the current patch status and vendor guidance.
Workarounds
- Remove or deactivate the Mad Mimi for WordPress plugin if a fixed version is not yet available
- Restrict contributor and author roles to trusted users only, minimizing the pool of accounts that can inject stored content
- Deploy a web application firewall with XSS payload filtering in front of the WordPress site
- Implement a strict Content Security Policy (CSP) that blocks inline script execution to reduce payload impact
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.