CVE-2023-29095

7.6 HIGH

📋 TL;DR

This CVE describes an authenticated SQL injection vulnerability in the RSVPMaker WordPress plugin. Attackers with admin-level access can execute arbitrary SQL commands, potentially compromising the database. Only WordPress sites running RSVPMaker plugin versions below 10.5.5 are affected.

💻 Affected Systems

Products:
  • WordPress RSVPMaker plugin
Versions: All versions < 10.5.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires admin-level authentication to exploit. WordPress multisite installations may be affected differently.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data theft, data manipulation, privilege escalation, and potential remote code execution via database functions.

🟠

Likely Case

Data exfiltration of sensitive information (user credentials, personal data), database corruption, and potential site takeover.

🟢

If Mitigated

Limited impact due to proper access controls, but still risks data exposure if admin credentials are compromised.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires admin credentials but SQL injection payloads are straightforward once authenticated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 10.5.5

Vendor Advisory: https://patchstack.com/database/vulnerability/rsvpmaker/wordpress-rsvpmaker-plugin-10-5-3-sql-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find RSVPMaker and click 'Update Now'. 4. Verify version is 10.5.5 or higher.

🔧 Temporary Workarounds

Temporary plugin deactivation

all

Disable the RSVPMaker plugin until patched

wp plugin deactivate rsvpmaker

Web Application Firewall rules

all

Implement WAF rules to block SQL injection patterns targeting RSVPMaker endpoints

🧯 If You Can't Patch

  • Remove admin access from untrusted users and implement strict access controls
  • Implement database monitoring and alerting for suspicious SQL queries

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for RSVPMaker version

Check Version:

wp plugin get rsvpmaker --field=version

Verify Fix Applied:

Confirm RSVPMaker version is 10.5.5 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL queries in database logs
  • Multiple failed login attempts followed by admin access
  • Unexpected database connections from web server

Network Indicators:

  • HTTP POST requests to RSVPMaker admin endpoints with SQL syntax in parameters

SIEM Query:

source="web_server" AND (uri_path="*/wp-admin/admin-ajax.php*" OR uri_path="*/wp-admin/*rsvpmaker*") AND (query_string="*SELECT*" OR query_string="*UNION*" OR query_string="*INSERT*" OR query_string="*UPDATE*")

🔗 References

📤 Share & Export