CVE-2022-46859
📋 TL;DR
This SQL injection vulnerability in the Spiffy Calendar WordPress plugin allows attackers to execute arbitrary SQL commands. It affects all versions up to 4.9.1, potentially compromising WordPress sites using this plugin.
💻 Affected Systems
- Spiffy Calendar WordPress Plugin
📦 What is this software?
Spiffy Calendar by Spiffyplugins
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, or full site takeover
Likely Case
Unauthorized data access, modification, or deletion of calendar and WordPress data
If Mitigated
Limited impact with proper input validation and database permissions
🎯 Exploit Status
Requires authentication but SQL injection is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.9.2 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-calendar-plugin-4-9-1-auth-sql-injection-sqli-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Spiffy Calendar and click 'Update Now'
4. Verify version is 4.9.2 or higher
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Spiffy Calendar plugin until patched
wp plugin deactivate spiffy-calendar
Web Application Firewall
allImplement WAF rules to block SQL injection patterns
🧯 If You Can't Patch
- Restrict database user permissions to minimum required
- Implement network segmentation to isolate vulnerable systems
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Spiffy Calendar versionCheck Version:
wp plugin get spiffy-calendar --field=versionVerify Fix Applied:
Confirm plugin version is 4.9.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by SQL errors
Network Indicators:
- HTTP POST requests with SQL syntax in parameters
SIEM Query:
source="web_logs" AND ("spiffy-calendar" OR "calendar") AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE")