CVE-2021-46360

HIGH

Composr-CMS <10.0.39 - Authenticated RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-46360. PoCs published by Sarang Tumne.

AI-analyzed exploit summary This exploit leverages authenticated RCE in Composr-CMS by disabling .htaccess protections via Commandr, allowing PHP shell upload. It demonstrates a full chain from authentication to reverse shell execution.

Description

Authenticated remote code execution (RCE) in Composr-CMS 10.0.39 and earlier allows remote attackers to execute arbitrary code via uploading a PHP shell through /adminzone/index.php?page=admin-commandr.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Sarang Tumne · textwebappsphp
https://www.exploit-db.com/exploits/51060

This exploit leverages authenticated RCE in Composr-CMS by disabling .htaccess protections via Commandr, allowing PHP shell upload. It demonstrates a full chain from authentication to reverse shell execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Composr-CMS <=10.0.39
Auth required
Prerequisites: Admin credentials · Network access to target · PHP environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 8.8
EPSS 0.0918
EPSS Percentile 94.7%
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)
ocproducts/composr < 10.0.39
Published Feb 09, 2022
Tracked Since Feb 18, 2026