CVE-2025-22749: Social Media Engine Stored XSS Vulnerability

CVE-2025-22749 Overview

CVE-2025-22749 is a stored cross-site scripting (XSS) vulnerability in the ThemesCraft.co Social Media Engine plugin for WordPress. The plugin fails to properly neutralize user-supplied input during web page generation [CWE-79]. Authenticated attackers with low privileges can inject malicious scripts that persist in the application and execute in the browsers of other users who view the affected pages. The issue affects all versions of Social Media Engine up to and including 1.0.2. Successful exploitation can lead to session theft, unauthorized actions performed on behalf of victims, and further compromise of the WordPress site.

Critical Impact
Authenticated attackers can inject persistent JavaScript payloads that execute in administrator browsers, enabling account takeover and site compromise.

Affected Products

ThemesCraft.co Social Media Engine plugin for WordPress
All versions from n/a through 1.0.2
WordPress sites that have the plugin installed and activated

Discovery Timeline

2025-01-15 - CVE-2025-22749 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-22749

Vulnerability Analysis

The Social Media Engine plugin accepts input from authenticated users and stores it without adequate sanitization or output encoding. When that stored content is later rendered in a WordPress page or administrative view, the browser interprets the injected markup as executable script. Because the payload is stored server-side, the attack fires automatically whenever a victim loads the affected page.

The vulnerability requires low-privilege authentication and user interaction, but the scope changes across the trust boundary. An attacker with contributor-level access can therefore target higher-privileged users such as editors or administrators.

Root Cause

The root cause is improper neutralization of input during web page generation. The plugin does not apply WordPress sanitization APIs such as sanitize_text_field(), wp_kses(), or esc_html() to fields that accept user-controlled data before storing or rendering them. This omission allows raw HTML and JavaScript to survive the round trip from database to browser.

Attack Vector

Exploitation occurs over the network against the WordPress admin or front-end interface. An authenticated attacker submits a crafted payload through a vulnerable plugin field. The payload persists in the database and executes when another user views the rendered output. See the Patchstack Vulnerability Report for the technical write-up.

No verified public proof-of-concept code is available for this vulnerability. The exploitation pattern follows standard stored XSS mechanics where a JavaScript payload embedded in an accepted input field renders unescaped in HTML context.

Detection Methods for CVE-2025-22749

Indicators of Compromise

Unexpected <script> tags, event handlers such as onerror or onload, or javascript: URIs stored in WordPress database tables tied to the Social Media Engine plugin
Outbound HTTP requests from administrator browsers to unfamiliar domains shortly after loading pages that render plugin content
New administrator accounts or modified user roles created without a corresponding admin login session

Detection Strategies

Review WordPress database entries created by the Social Media Engine plugin for HTML entities, script tags, or encoded payloads that should not appear in plain-text fields
Inspect web server access logs for POST requests to plugin endpoints containing suspicious keywords such as <script, onerror=, or document.cookie
Deploy a Content Security Policy (CSP) in report-only mode to surface inline script violations originating from plugin-rendered pages

Monitoring Recommendations

Enable WordPress audit logging to track content changes performed by contributor and author accounts
Alert on privilege escalation events, plugin modifications, and unexpected file changes in wp-content/plugins/social-media-engine/
Monitor for anomalous session activity or cookie theft patterns targeting administrator accounts

How to Mitigate CVE-2025-22749

Immediate Actions Required

Identify all WordPress sites running Social Media Engine version 1.0.2 or earlier and prioritize remediation
Restrict contributor, author, and editor account creation until a patched version is deployed
Audit existing plugin-managed content for stored payloads and remove any suspicious HTML or JavaScript

Patch Information

At the time of publication, no fixed version is listed in the advisory. Consult the Patchstack Vulnerability Report for the latest vendor guidance and update to any release beyond 1.0.2 when it becomes available.

Workarounds

Deactivate and remove the Social Media Engine plugin until a patched version is released
Deploy a Web Application Firewall (WAF) rule that blocks XSS payloads targeting the plugin's endpoints
Enforce a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Apply the principle of least privilege and limit which accounts can submit content processed by the plugin

bash

# Disable the vulnerable plugin via WP-CLI
wp plugin deactivate social-media-engine
wp plugin delete social-media-engine