CVE-2026-85520

CRITICAL CVSS 4.0: 9.3 EPSS 0.99%
Updated Sep 30, 2026
Google
Parameter Value
CVSS 9.3 (CRITICAL)
Fixed In 2.3.9
Type CWE-73 (External Control of File Name or Path)
Vendor Google
Public PoC No

Google Merchant Center Feed (gmfeed) module for PrestaShop is vulnerable to unauthenticated arbitrary file write in the feed.php endpoint. An unauthenticated attacker can send a crafted request that controls the output file name, path, extension, and content through request parameters. Due to the lack of authentication and input validation, the request is processed successfully, allowing an attacker to write and execute arbitrary PHP code, resulting in remote code execution (RCE).

This issue was fixed in version 2.3.9.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

mypresta:google merchant center feed