CVE-2025-30611
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Wptobe-signinup WordPress plugin. When users visit specially crafted URLs containing the malicious scripts, their browsers execute the code, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Wptobe-signinup plugin versions up to 1.1.2 are affected.
💻 Affected Systems
- Wptobe-signinup 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, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers steal user session cookies to hijack accounts, inject malicious content, or redirect users to phishing pages.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Wptobe-signinup plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.1.3+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Wptobe-signinup plugin until patched version is available.
wp plugin deactivate wptobe-signinup
Implement WAF rules
allConfigure web application firewall to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security extensions that block reflected XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Wptobe-signinup version. If version is 1.1.2 or earlier, you are vulnerable.Check Version:
wp plugin get wptobe-signinup --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.1.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code in URL parameters
- Multiple failed login attempts from same IP after suspicious URL access
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
- Outbound connections to unknown domains after visiting specific URLs
SIEM Query:
source="web_server_logs" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*%3Cscript%3E*") AND plugin="wptobe-signinup"