CVE-2025-31902

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Social Share And Social Locker WordPress plugin. When users visit pages containing the malicious scripts, attackers can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Social Share And Social Locker WordPress Plugin
Versions: n/a through 1.4.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of vulnerable versions are affected regardless of configuration.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, gain administrative access to WordPress sites, install backdoors, deface websites, or steal sensitive user data.

🟠

Likely Case

Attackers would typically steal user session cookies to hijack accounts, redirect users to malicious sites, or display phishing content to steal credentials.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing any exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.4.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/social-share-and-social-locker-arsocial/vulnerability/wordpress-social-share-and-social-locker-plugin-1-4-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Social Share And Social Locker'. 4. Click 'Update Now' if update is available. 5. If no update appears, download version 1.4.2+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the Social Share And Social Locker plugin until patched

wp plugin deactivate social-share-and-social-locker-arsocial

Implement WAF rules

all

Add web application firewall rules to block XSS payloads targeting this plugin

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security features like HttpOnly cookies and SameSite attributes

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Social Share And Social Locker version

Check Version:

wp plugin get social-share-and-social-locker-arsocial --field=version

Verify Fix Applied:

Verify plugin version is 1.4.2 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript payloads
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP requests with suspicious parameters containing script tags or JavaScript
  • Traffic patterns showing repeated requests with encoded payloads

SIEM Query:

source="web_server_logs" AND (uri="*<script*" OR uri="*javascript:*" OR uri="*onerror=*" OR uri="*onload=*")

🔗 References

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