CVE-2020-35754

HIGH

OpenSolution Quick.CMS and Quick.Cart < 6.7 - Authenticated Remote Code Execution via Language Tab Input

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-35754. PoCs published by mari0x00.

AI-analyzed exploit summary This exploit leverages an authenticated RCE vulnerability in Quick.CMS 6.7 by injecting a reverse shell payload into the 'Back_end_only' parameter via the language settings page. The payload is triggered by accessing the languages admin page, resulting in a reverse shell connection to the attacker's specified IP and port.

Description

OpenSolution Quick.CMS < 6.7 and Quick.Cart < 6.7 allow an authenticated user to perform code injection (and consequently Remote Code Execution) via the input fields of the Language tab.

Exploits (1)

exploitdb WORKING POC
by mari0x00 · pythonwebappsphp
https://www.exploit-db.com/exploits/49494

This exploit leverages an authenticated RCE vulnerability in Quick.CMS 6.7 by injecting a reverse shell payload into the 'Back_end_only' parameter via the language settings page. The payload is triggered by accessing the languages admin page, resulting in a reverse shell connection to the attacker's specified IP and port.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Quick.CMS <= 6.7
Auth required
Prerequisites: Valid credentials for Quick.CMS admin panel · Network connectivity to the target · Listener set up on attacker's machine for reverse shell
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v3 7.2
EPSS 0.1046
EPSS Percentile 95.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (2)
opensolution/quick.cart < 6.7
opensolution/quick.cms < 6.7
Published Jan 28, 2021
Tracked Since Feb 18, 2026