CVE-2025-58227
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Podlove Subscribe button WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in visitors' browsers, potentially stealing session cookies or redirecting users. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Podlove Subscribe button WordPress plugin
⚠️ 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, install backdoors, 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 and site integrity.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Requires attacker to inject malicious payload that gets stored and served to users. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.3.12 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Podlove Subscribe button' and click 'Update Now'. 4. Verify the plugin version is 1.3.12 or higher.
🔧 Temporary Workarounds
Disable vulnerable plugin
WordPressTemporarily disable the Podlove Subscribe button plugin until patched
wp plugin deactivate podlove-subscribe-button
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Enable Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Podlove Subscribe button → Version. If version is 1.3.11 or lower, you are vulnerable.Check Version:
wp plugin get podlove-subscribe-button --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 1.3.12 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints with script tags
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing suspicious JavaScript payloads to plugin URLs
SIEM Query:
source="web_server_logs" AND ("podlove-subscribe-button" OR "subscribe-button") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")