CVE-2022-1768
📋 TL;DR
The RSVPMaker WordPress plugin contains an unauthenticated SQL injection vulnerability that allows attackers to execute arbitrary SQL queries without authentication. This enables data theft from the WordPress database, affecting all WordPress sites running RSVPMaker version 9.3.2 or earlier.
💻 Affected Systems
- WordPress RSVPMaker plugin
📦 What is this software?
Rsvpmaker by Carrcommunications
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including admin credentials, user data, and plugin-specific sensitive information leading to full site takeover.
Likely Case
Attackers steal sensitive data like user credentials, email addresses, and plugin-specific data, potentially leading to credential stuffing attacks or further exploitation.
If Mitigated
With proper WAF rules and database permissions, impact limited to data accessible by the plugin's database user account.
🎯 Exploit Status
Public exploit code exists and exploitation requires minimal technical skill due to unauthenticated nature.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.3.3 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2725322%40rsvpmaker&new=2725322%40rsvpmaker&sfp_email=&sfph_mail=
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find RSVPMaker plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 9.3.3+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary plugin deactivation
allDisable RSVPMaker plugin until patched
wp plugin deactivate rsvpmaker
WAF rule implementation
allBlock SQL injection patterns targeting rsvpmaker-email.php
🧯 If You Can't Patch
- Disable RSVPMaker plugin immediately
- Implement web application firewall with SQL injection protection
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > RSVPMaker version. If version is 9.3.2 or lower, you are vulnerable.Check Version:
wp plugin get rsvpmaker --field=versionVerify Fix Applied:
Verify RSVPMaker plugin version is 9.3.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple requests to /wp-content/plugins/rsvpmaker/rsvpmaker-email.php
- SQL error messages in web server logs
Network Indicators:
- POST requests to rsvpmaker-email.php with SQL injection patterns
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="*rsvpmaker-email.php*" AND (query="*UNION*" OR query="*SELECT*" OR query="*INSERT*" OR query="*DELETE*")🔗 References
- http://packetstormsecurity.com/files/176549/WordPress-RSVPMaker-9.3.2-SQL-Injection.html
- https://gist.github.com/Xib3rR4dAr/441d6bb4a5b8ad4b25074a49210a02cc
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2725322%40rsvpmaker&new=2725322%40rsvpmaker&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c1d02646-271a-4079-8a47-00b4029e9c1f?source=cve
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-1768
- http://packetstormsecurity.com/files/176549/WordPress-RSVPMaker-9.3.2-SQL-Injection.html
- https://gist.github.com/Xib3rR4dAr/441d6bb4a5b8ad4b25074a49210a02cc
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2725322%40rsvpmaker&new=2725322%40rsvpmaker&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c1d02646-271a-4079-8a47-00b4029e9c1f?source=cve
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-1768
