Report an incident
Back
  • About us
  • For experts
Report an incident
About us
About our team Contact
Baza wiedzy
Fałszywe inwestycje Uważaj na fałszywe sklepy online (Nie)bezpieczne płatności Fałszywi konsultanci Zadbaj o bezpieczne hasła i logowanie Fałszywe załączniki w mailach Fałszywe prośby o szybki przelew Bezpieczny telefon
Biuletyn OUCH!
Porady bezpieczeństwa OUCH!
Tools
n6 Artemis MWDB
CVD program
CVD policy Advisories

Vulnerability in MyPresta Google Merchant Center Feed software
29 September 2026 | CERT Polska | #vulnerability, #warning, #cve
CVE ID CVE-2026-85520
Publication date 29 September 2026
Vendor MyPresta
Product Google Merchant Center Feed
Vulnerable versions From 1.9.1 through 2.3.8
Vulnerability type (CWE) External control of file name or path (CWE-73)
Report source Report to CERT Polska

Description

CERT Polska has received a report about vulnerability in MyPresta Google Merchant Center Feed software and participated in coordination of its disclosure.

The vulnerability CVE-2026-85520: 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.

Credits

We thank Today Group sp. z o.o. for the responsible vulnerability report.

More about the coordinated vulnerability disclosure process at CERT Polska can be found at https://cert.pl/en/cvd/.