CVE-2023-39528: PrestaShop vulnerable to file reading through path traversal

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% 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-22

Description

PrestaShop is an open source e-commerce web application. Prior to version 8.1.1, the `displayAjaxEmailHTML` method can be used to read any file on the server, potentially even outside of the project if the server is not correctly configured. 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/11de3a84322fa4ecd0995ac40d575db61804724c
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-hpf4-v7v2-95p2
https://github.com/PrestaShop/PrestaShop/commit/11de3a84322fa4ecd0995ac40d575db61804724c
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-hpf4-v7v2-95p2

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