CVE-2025-31793
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Piotnet Forms WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using Piotnet Forms versions up to 1.0.30 are affected.
💻 Affected Systems
- Piotnet Forms 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, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.31 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Piotnet Forms and click 'Update Now'. 4. Verify update to version 1.0.31 or higher.
🔧 Temporary Workarounds
Disable Piotnet Forms Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate piotnetforms
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting form inputs
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security headers like X-XSS-Protection and X-Content-Type-Options
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Piotnet Forms version. If version is 1.0.30 or lower, you're vulnerable.Check Version:
wp plugin get piotnetforms --field=versionVerify Fix Applied:
After updating, verify Piotnet Forms version shows 1.0.31 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form submission endpoints
- JavaScript payloads in form field submissions
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Malicious script tags in HTTP POST bodies
- Suspicious characters like <script> in form submissions
SIEM Query:
source="web_server_logs" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND uri_path="/wp-admin/admin-ajax.php"