CVE-2020-13384

HIGH

Monstra CMS 3.0.4 - Authenticated Arbitrary PHP File Upload via .php7 Extension

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-13384. PoCs published by Kishan Lal Choudhary.

AI-analyzed exploit summary This exploit demonstrates an authenticated arbitrary file upload vulnerability in Monstra CMS 3.0.4, allowing an attacker to upload a malicious PHP file and achieve remote code execution.

Description

Monstra CMS 3.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via admin/index.php?id=filesmanager because, for example, .php filenames are blocked but .php7 filenames are not, a related issue to CVE-2017-18048.

Exploits (1)

exploitdb WORKING POC
by Kishan Lal Choudhary · textwebappsphp
https://www.exploit-db.com/exploits/48479

This exploit demonstrates an authenticated arbitrary file upload vulnerability in Monstra CMS 3.0.4, allowing an attacker to upload a malicious PHP file and achieve remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Monstra CMS 3.0.4
Auth required
Prerequisites: Authenticated access to the Monstra CMS admin panel · Network access to the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/48479

Scores

CVSS v3 8.8
EPSS 0.0250
EPSS Percentile 82.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
monstra/monstra 3.0.4
Published May 22, 2020
Tracked Since Feb 18, 2026