In the module “JA Marketplace” (jamarketplace) up to version 9.0.1 from JA Module for PrestaShop, a guest can upload files with extensions .php.


  • CVE ID: CVE-2024-33836
  • Published at: 2024-06-18
  • Platform: PrestaShop
  • Product: jamarketplace
  • Impacted release: <= 9.0.1 (9.0.2 fixed the vulnerability)
  • Product author: JA Module
  • Weakness: CWE-434
  • Severity: critical (10)


In version 6.X, the method JmarketplaceproductModuleFrontController::init() and in version 8.X, the method JmarketplaceSellerproductModuleFrontController::init() allow upload of .php files, which will lead to a critical vulnerability CWE-94.

This exploit is actively exploited in the wild

CVSS base metrics

  • Attack vector: network
  • Attack complexity: low
  • Privilege required: none
  • User interaction: none
  • Scope: changed
  • Confidentiality: high
  • Integrity: high
  • Availability: high

Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Possible malicious usage

  • Obtain admin access
  • Remove data from the associated PrestaShop
  • Steal data

Other recommendations

  • It’s recommended to upgrade to the latest version of the module jamarketplace.
  • Activate OWASP 933’s rules on your WAF (Web application firewall), be warned that you will probably break your backoffice and you will need to pre-configure some bypasses against this set of rules.


Date Action
2023-05-27 Issue discovered during a code review by
2023-05-27 Contact PrestaShop Addons security Team to confirm version scope
2023-05-27 PrestaShop Addons security Team confirms version scope
2024-05-03 Received CVE ID
2024-06-18 Publish this security advisory