CVE-2025-10737: Genesis Framework WordPress XSS Vulnerability

CVE-2025-10737 Overview

CVE-2025-10737 is a Stored Cross-Site Scripting (XSS) vulnerability in the Open Source Genesis Framework theme for WordPress. The flaw affects all versions up to and including 3.6.0. It stems from insufficient input sanitization and output escaping on user-supplied attributes passed to the theme's shortcodes.

Authenticated attackers with Contributor-level access or higher can inject arbitrary web scripts into pages. These scripts execute in the browser of any visitor who accesses an affected page, including administrators. The vulnerability is tracked under [CWE-79] and carries a scope change, meaning injected scripts can affect resources beyond the vulnerable component.

Critical Impact
Contributor-level accounts can persist JavaScript payloads that execute in the context of every visitor, enabling session theft, credential harvesting, and administrative account takeover through browser-side actions.

Affected Products

StudioPress Genesis Framework theme for WordPress, all versions through 3.6.0
WordPress sites using the Open Source Genesis Framework distribution
Child themes built on the Genesis Framework that expose the vulnerable shortcodes

Discovery Timeline

2025-10-25 - CVE-2025-10737 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-10737

Vulnerability Analysis

The Genesis Framework theme registers WordPress shortcodes that accept user-supplied attributes. These attributes are rendered into page output without adequate sanitization or contextual escaping. A Contributor-level user can embed a shortcode with a crafted attribute value that closes the surrounding HTML context and injects arbitrary JavaScript.

Because WordPress stores post content in the database, the payload persists across sessions. Every visitor that renders the affected page executes the attacker-controlled script in the site origin. This exposes session cookies, nonce tokens, and privileged administrative endpoints to the attacker's script.

Root Cause

The root cause is missing input validation on shortcode attributes combined with unescaped output during shortcode rendering. WordPress shortcode handlers receive an $atts array from post content. When these values are concatenated into HTML without functions such as esc_attr(), esc_html(), or wp_kses(), attribute-context escapes into script-context become trivial.

Attack Vector

Exploitation requires an authenticated account with Contributor privileges or higher. The attacker creates or edits a post containing a Genesis shortcode with a malicious attribute value. When an editor, administrator, or site visitor loads the rendered post, the injected script executes in their browser.

Typical post-exploitation paths include stealing authentication cookies, invoking the WordPress REST API on behalf of an administrator to create new admin users, or modifying theme files to establish persistence. See the Wordfence Vulnerability Report and the StudioPress Genesis Changelog for technical details.

Detection Methods for CVE-2025-10737

Indicators of Compromise

Post or page content containing Genesis shortcodes with attribute values that include <script>, onerror=, onload=, or javascript: sequences
Unexpected creation of WordPress administrator accounts shortly after Contributor-authored posts were published or edited
Outbound browser requests from wp-admin sessions to unfamiliar external domains
New or modified files in wp-content/themes/ or wp-content/plugins/ following suspicious post activity

Detection Strategies

Review the wp_posts table for post content containing Genesis shortcodes with HTML-breaking characters in attribute values
Audit user accounts with contributor, author, or higher roles and correlate their activity with post revisions in wp_postmeta
Inspect web server access logs for POST requests to /wp-admin/post.php and /wp-json/wp/v2/posts originating from low-privilege accounts

Monitoring Recommendations

Forward WordPress audit logs and web server logs to a centralized analytics platform for correlation of Contributor activity with subsequent privileged actions
Alert on the creation of new administrator accounts, plugin installations, or theme file modifications outside change windows
Monitor Content Security Policy (CSP) violation reports for inline script executions on pages authored by non-administrator users

How to Mitigate CVE-2025-10737

Immediate Actions Required

Update the Genesis Framework theme to a version later than 3.6.0 once StudioPress publishes a patched release
Restrict Contributor and Author role assignments to trusted users only and audit existing accounts
Review all posts and pages authored by non-administrator users for suspicious shortcode usage and remove injected payloads
Rotate administrator passwords and invalidate active WordPress sessions if compromise is suspected

Patch Information

Monitor the StudioPress Genesis Changelog for the fixed release addressing CVE-2025-10737. Apply the update through the WordPress admin dashboard or via wp theme update genesis using WP-CLI. Confirm the installed version reports higher than 3.6.0 after the update completes.

Workarounds

Temporarily downgrade Contributor and Author accounts to Subscriber until the theme is patched
Deploy a Web Application Firewall (WAF) rule that blocks post submissions containing Genesis shortcodes with <, >, or javascript: inside attribute values
Implement a strict Content Security Policy that disallows inline scripts on published pages to limit XSS impact
Disable unused Genesis shortcodes via remove_shortcode() in a child theme's functions.php

bash

# Configuration example: update Genesis via WP-CLI and audit Contributor accounts
wp theme update genesis
wp theme list --name=genesis --fields=name,status,version
wp user list --role=contributor --fields=ID,user_login,user_email,user_registered