CVE-2023-39530: PrestaShop vulnerable to file deletion via CustomerMessage

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-07 · updated 2026-06-17
Weakness: CWE-20

Description

PrestaShop is an open source e-commerce web application. Prior to version 8.1.1, it is possible to delete files from the server via the CustomerMessage API. Version 8.1.1 contains a patch for this issue. There are no known workarounds.

Affected products

PrestaShop: before 8.1.1 — fixed in 8.1.1

How to fix

Upgrade to a fixed version: PrestaShop 8.1.1. Check the vendor advisory for mitigations.

References

https://github.com/PrestaShop/PrestaShop/commit/6ce750b2367a7309b6bf50166f1873cb86ad57e9
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-v4gr-v679-42p7
https://github.com/PrestaShop/PrestaShop/commit/6ce750b2367a7309b6bf50166f1873cb86ad57e9
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-v4gr-v679-42p7

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