CVE-2023-39528 — PrestaShop is an open source e-commerce web application

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 thi

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
PrestaShop	PrestaShop	< 8.1.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-07T20:35:07.663Z
• Last modified: 2024-10-03T16:13:39.365Z

09References

• github.com — https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-hpf4-v7v2-95p2
• github.com — https://github.com/PrestaShop/PrestaShop/commit/11de3a84322fa4ecd0995ac40d575db6…