CVE-2026-18781
⚠️ highSummary
The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not validate the final name of an uploaded file after stripping characters from it, allowing unauthenticated users to defeat its file type restrictions and execute arbitrary code on the server.
CVSS Score
8.1
High
EPSS Score
0.3
Exploit Probability
Published Date
2026-08-21
First Seen: 2026-08-22
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 76.8% of all 348,756 vulnerabilities in our database.
#80,740
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Aug 21, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
🏆 Discovered By
Jakub Herman
WPScan (coordinator)
SSVC data provided by
CISA
Last Modified
2026-08-21
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE IDs (Weakness Types)