Package Instance

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
PrestaShop is an open-source e-commerce platform. Prior to version 8.1.3, the isCleanHtml method is not used on this this form, which makes it possible to store a cross-site scripting payload in the database. The impact is low because the HTML is not interpreted in BO, thanks to twig's escape mechanism. In FO, the cross-site scripting attack is effective, but only impacts the customer sending it, or the customer session from which it was sent. This issue affects those who have a module fetching these messages from the DB and displaying it without escaping HTML. Version 8.1.3 contains a patch for this issue.

Presta Shop vulnerable to email enumeration
An unauthenticated attacker with access to the back-office URL can manipulate the id_employee and reset_token parameters to enumerate valid back-office employee email addresses.

Impacted parties:
Store administrators and employees: their email addresses are exposed.
Merchants: risk of phishing, social engineering, and brute-force attacks targeting admin accounts.

PrestaShop file deletion via attachment API
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.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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.

PrestaShop has potential Information exposure in the upload directory
### Impact
Potential Information exposure in the upload directory.

### Patches
Patch in PrestaShop 1.7.8.8

### References
https://capec.mitre.org/data/definitions/87.html

Thanks to DZPATROL

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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`.

Improper Encoding or Escaping of Output
PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 is vulnerable to cross-site scripting through the `isCleanHTML` method. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 is vulnerable to remote code execution through SQL injection and arbitrary file write in the back office. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.

Cross-Site Request Forgery (CSRF)
PrestaShop is an open source e-commerce web application that, prior to version 8.0.1, is vulnerable to cross-site request forgery (CSRF). When authenticating users, PrestaShop preserves session attributes. Because this does not clear CSRF tokens upon login, this might enable same-site attackers to bypass the CSRF protection mechanism by performing an attack similar to a session-fixation. The problem is fixed in version 8.0.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
PrestaShop is an Open Source e-commerce web application. Prior to versions 8.0.4 and 1.7.8.9, the `ValidateCore::isCleanHTML()` method of Prestashop misses hijackable events which can lead to cross-site scripting (XSS) injection, allowed by the presence of pre-setup `@keyframes` methods. This XSS, which hijacks HTML attributes, can be triggered without any interaction by the visitor/administrator, which makes it as dangerous as a trivial XSS attack. Contrary to other attacks which target HTML attributes and are triggered without user interaction (such as onload / onerror which suffer from a very limited scope), this one can hijack every HTML element, which increases the danger due to a complete HTML elements scope. Versions 8.0.4 and 1.7.8.9 contain a fix for this issue.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
PrestaShop is an Open Source e-commerce web application. Versions prior to 8.0.4 and 1.7.8.9 contain a SQL filtering vulnerability. A BO user can write, update, and delete in the database, even without having specific rights. PrestaShop 8.0.4 and 1.7.8.9 contain a patch for this issue. There are no known workarounds.