CVE-2025-27348
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WP Social SEO Booster WordPress plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WP Social SEO Booster – Knowledge Graph Social Signals SEO
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited, and proof-of-concept details are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Social SEO Booster'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.2.1+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the WP Social SEO Booster plugin until patched
wp plugin deactivate wp-social-seo-booster
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Disable the WP Social SEO Booster plugin immediately
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP Social SEO Booster versionCheck Version:
wp plugin get wp-social-seo-booster --field=versionVerify Fix Applied:
Verify plugin version is 1.2.1 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious JavaScript payloads in request logs
- Multiple failed XSS attempts
Network Indicators:
- Malicious script tags in HTTP requests
- Suspicious characters in URL parameters
SIEM Query:
source="*access.log*" AND ("wp-social-seo-booster" OR "wp-content/plugins/wp-social-seo-booster") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")