PrestaShop is an open-source e-commerce platform. Prior to versions 8.1.3 and 1.7.8.11, some event attributes are not detected by the `isCleanHTML` method. Some modules using the `isCleanHTML` method could be vulnerable to cross-site scripting. Versions 8.1.3 and 1.7.8.11 contain a patch for this issue. The best workaround is to use the `HTMLPurifier` library to sanitize html input coming from users. The library is already available as a dependency in the PrestaShop project. Beware though that in legacy object models, fields of `HTML` type will call `isCleanHTML`.

blockreassurance adds an information block aimed at offering helpful information to reassure customers that their store is trustworthy. An ajax function in module blockreassurance allows modifying any value in the configuration table. This vulnerability has been patched in version 5.1.4.

PrestaShop blockreassurance adds an information block aimed at offering helpful information to reassure customers that the store is trustworthy. When adding a block in blockreassurance module, a BO user can modify the http request and give the path of any file in the project instead of an image. When deleting the block from the BO, the file will be deleted. It is possible to make the website completely unavailable by removing index.php for example. This issue has been patched in version 5.1.4.

Prestashop opartlimitquantity 1.4.5 and before is vulnerable to SQL Injection. OpartlimitquantityAlertlimitModuleFrontController::displayAjaxPushAlertMessage()` has sensitive SQL calls that can be executed with a trivial http call and exploited to forge a SQL injection.

PrestaShop is an Open Source e-commerce web application. In the Prestashop Back office interface, an employee can list all modules without any access rights: method `ajaxProcessGetPossibleHookingListForModule` doesn't check access rights. This issue has been addressed in commit `15bd281c` which is included in version 8.1.2. Users are advised to upgrade. There are no known workaround for this issue.

PrestaShop is an Open Source e-commerce web application. In affected versions any module can be disabled or uninstalled from back office, even with low user right. This allows low privileged users to disable portions of a shops functionality. Commit `ce1f6708` addresses this issue and is included in version 8.1.2. Users are advised to upgrade. There are no known workarounds for this issue.

M4 PDF plugin for Prestashop sites, in its 3.2.3 version and before, is vulnerable to an arbitrary HTML Document crafting vulnerability. The resource /m4pdf/pdf.php uses templates to dynamically create documents. In the case that the template does not exist, the application will return a fixed document with a message in mpdf format. An attacker could exploit this vulnerability by inputting a valid HTML/CSS document as the value of the parameter.

M4 PDF plugin for Prestashop sites, in its 3.2.3 version and before, is vulnerable to a directory traversal vulnerability. The “f” parameter is not properly checked in the resource /m4pdf/pdf.php, returning any file given its relative path. An attacker that exploits this vulnerability could download /etc/passwd from the server if the file exists.

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.

PrestaShop is an open source e-commerce web application. Prior to version 8.1.1, it is possible to delete a file from the server by using the Attachments controller and the Attachments API. Version 8.1.1 contains a patch for this issue. There are no known workarounds.