CVE-2025-39415 Overview
CVE-2025-39415 is a Cross-Site Request Forgery (CSRF) vulnerability [CWE-352] in the Jayesh Parejiya Social Media Links plugin for WordPress. The flaw affects all versions up to and including 1.0.3. Successful exploitation chains CSRF with Stored Cross-Site Scripting (XSS), allowing attackers to inject persistent malicious scripts into the WordPress site through an authenticated administrator's browser.
The vulnerability requires user interaction, typically tricking an authenticated administrator into clicking a crafted link. The attack scope is changed, meaning injected scripts can affect other users beyond the initial victim.
Critical Impact
Attackers can store arbitrary JavaScript in the WordPress site by abusing an administrator's authenticated session, leading to session theft, account takeover, or further site compromise.
Affected Products
- Jayesh Parejiya Social Media Links WordPress plugin
- Versions from n/a through 1.0.3 (inclusive)
- WordPress sites with the social-media-links plugin installed and active
Discovery Timeline
- 2025-04-17 - CVE-2025-39415 published to NVD
- 2026-04-23 - Last updated in NVD database
Technical Details for CVE-2025-39415
Vulnerability Analysis
The Social Media Links plugin fails to validate the origin of state-changing requests in its administrative settings handlers. State-changing endpoints process form submissions without verifying a WordPress nonce or other anti-CSRF token. Combined with insufficient sanitization and output encoding of stored fields, this enables a CSRF-to-Stored-XSS chain.
An attacker hosts a malicious page containing a forged request targeting the plugin's settings endpoint. When an authenticated WordPress administrator visits the page, the browser submits the request with valid session cookies. The plugin accepts the input, stores the attacker-controlled payload, and renders it later without proper escaping.
The injected JavaScript executes in the context of any user who loads the affected page, including other administrators. This expands the attack from a single forged request into a persistent client-side compromise.
Root Cause
The root cause is missing CSRF protection on plugin settings handlers, compounded by missing output sanitization. WordPress provides wp_nonce_field() and check_admin_referer() for CSRF defense, but the affected handlers do not invoke these checks. Stored values are then echoed into administrative pages without esc_html() or esc_attr() encoding.
Attack Vector
The attack is network-based and requires user interaction. An attacker crafts an HTML page containing an auto-submitting form or image tag that targets the vulnerable plugin endpoint. The attacker delivers the link through phishing email, social media, or a compromised site. When an authenticated WordPress administrator visits the page, the browser issues the forged request and the malicious payload is stored on the WordPress site.
The vulnerability mechanism is described in the Patchstack Vulnerability Report. No public proof-of-concept exploit is available at this time.
Detection Methods for CVE-2025-39415
Indicators of Compromise
- Unexpected <script> tags or JavaScript event handlers stored in Social Media Links plugin settings within the WordPress database (wp_options table)
- Administrative page renders triggering outbound requests to unknown external domains
- New or modified WordPress administrator accounts created shortly after a settings change in the plugin
- Browser console errors or unexpected redirects on WordPress admin pages where the plugin output is rendered
Detection Strategies
- Audit WordPress wp_options rows associated with the social-media-links plugin for HTML tags, javascript: URIs, or encoded script payloads
- Review web server access logs for POST requests to plugin admin endpoints originating from external Referer headers
- Inspect rendered HTML on admin and front-end pages for injected scripts not introduced by site administrators
Monitoring Recommendations
- Monitor WordPress audit logs for plugin settings changes correlated with administrator browsing activity
- Alert on outbound connections from administrator browsers to domains not previously observed
- Track creation of new privileged WordPress users and changes to existing user roles
How to Mitigate CVE-2025-39415
Immediate Actions Required
- Deactivate and remove the Social Media Links plugin until a patched version is published by the vendor
- Audit existing plugin settings and remove any unauthorized HTML or JavaScript stored in the database
- Force a password reset for all WordPress administrator accounts and invalidate active sessions
- Review recent administrator activity for unauthorized changes to users, plugins, or themes
Patch Information
No fixed version is identified in the available advisory data. Versions through 1.0.3 are affected. Monitor the Patchstack advisory and the WordPress plugin repository for an updated release.
Workarounds
- Remove the social-media-links plugin directory from wp-content/plugins/ if patching is not immediately possible
- Restrict access to /wp-admin/ by IP allowlist at the web server or WAF level to reduce CSRF exposure
- Deploy a Content Security Policy (CSP) that blocks inline scripts and unauthorized external script sources on admin pages
- Require administrators to use a dedicated browser profile that does not visit untrusted sites while authenticated to WordPress
# Remove the vulnerable plugin via WP-CLI
wp plugin deactivate social-media-links
wp plugin delete social-media-links
# Verify removal
wp plugin list | grep social-media-links
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
