CVE-2025-49068 Overview
CVE-2025-49068 is a stored Cross-Site Scripting (XSS) vulnerability in the Ocean Extra WordPress plugin developed by OceanWP. The flaw affects all versions of Ocean Extra up to and including 2.4.8. Authenticated attackers with low-level privileges can inject persistent JavaScript payloads that execute in the browsers of users visiting affected pages. The vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation.
Critical Impact
Stored XSS payloads execute in the context of site visitors and administrators, enabling session theft, credential harvesting, and unauthorized actions across the WordPress site.
Affected Products
- OceanWP Ocean Extra plugin versions through 2.4.8
- WordPress sites using vulnerable Ocean Extra installations
- Any OceanWP theme deployment relying on the Ocean Extra companion plugin
Discovery Timeline
- 2025-06-06 - CVE-2025-49068 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-49068
Vulnerability Analysis
The Ocean Extra plugin fails to properly neutralize user-supplied input before rendering it in web page output. Attackers with authenticated access can submit malicious HTML or JavaScript through vulnerable input fields. The plugin stores the payload in the WordPress database without sanitization. When any user later loads the affected page, the browser parses and executes the injected script.
Because the payload is stored rather than reflected, the attack persists across sessions and impacts every visitor to the compromised page. The scope change in the vulnerability profile indicates the injected script can affect resources beyond the initially vulnerable component, including administrator sessions.
Root Cause
The root cause is missing or insufficient output encoding when the plugin renders attacker-controlled input in web page contexts. The plugin does not apply WordPress sanitization functions such as wp_kses_post(), esc_html(), or esc_attr() to fields that accept user input before writing them to the DOM.
Attack Vector
Exploitation requires an authenticated user with contributor-level or comparable privileges and user interaction from a victim. The attacker submits a crafted payload through a plugin input field that stores content in the database. When a visitor or administrator loads the page containing the payload, the browser executes the script in the site's origin. Refer to the Patchstack advisory for additional technical details.
Detection Methods for CVE-2025-49068
Indicators of Compromise
- Unexpected <script>, onerror, or onload attributes in Ocean Extra plugin database entries
- Outbound HTTP requests from browser sessions to unfamiliar domains after loading pages containing OceanWP content
- New or modified WordPress administrator accounts created shortly after suspicious page visits
- Anomalous session cookies or authentication tokens appearing in web server access logs
Detection Strategies
- Audit wp_options, wp_postmeta, and plugin-specific database tables for HTML tags and JavaScript event handlers in Ocean Extra fields
- Deploy a Web Application Firewall (WAF) rule set that inspects POST bodies to plugin admin endpoints for XSS signatures
- Review WordPress user activity logs for content submissions from low-privilege accounts targeting Ocean Extra features
Monitoring Recommendations
- Monitor administrator session activity for unexpected AJAX requests originating from pages containing plugin-rendered content
- Enable Content Security Policy (CSP) violation reporting to surface script execution attempts from untrusted sources
- Correlate WordPress audit logs with browser telemetry to identify script execution following content edits
How to Mitigate CVE-2025-49068
Immediate Actions Required
- Update Ocean Extra to a version later than 2.4.8 once the vendor publishes a patched release
- Audit all existing Ocean Extra content and remove any embedded scripts or suspicious HTML
- Restrict contributor and author role assignments until the plugin is patched
- Force password resets for administrator accounts if suspicious activity is observed
Patch Information
At the time of publication, the Patchstack advisory lists Ocean Extra 2.4.8 and earlier as affected. Site administrators should monitor the Ocean Extra plugin page and the Patchstack advisory for a patched release and apply the update immediately.
Workarounds
- Deactivate the Ocean Extra plugin until a fixed version is available if business requirements permit
- Deploy a WAF with virtual patching rules targeting Ocean Extra XSS payloads
- Enforce a strict Content Security Policy that blocks inline scripts and disallows untrusted script sources
- Limit account creation and restrict low-privilege roles from accessing Ocean Extra content editors
# Example strict Content-Security-Policy header for WordPress
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
