A critical vulnerability has been discovered in the “Facebook” module (pkfacebook) from Promokit.eu for PrestaShop.
The vulnerability, CVE-2024-36680, allows a guest to perform SQL injection attacks on affected module versions.
The vulnerability stems from the Ajax script, which contains a sensitive SQL call that can be executed with a trivial HTTP call.
Attackers can exploit this vulnerability to forge SQL injection attacks and gain unauthorized access to the associated PrestaShop database.
According to the module’s author, Promokit.eu, the exact versions impacted by this vulnerability are unknown, as it was introduced long ago.
The author has refused to provide the latest version so that security researchers can verify whether the issue has been fully resolved.
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As a precautionary measure, all module versions should be considered potentially vulnerable.
Active Exploitation and Warnings
Alarmingly, malicious actors are actively using this exploit to deploy webskimmers, which are designed to steal credit card information from unsuspecting customers.
PrestaShop website owners are urged to take immediate action to mitigate the risk of data theft and unauthorized access.
Mitigation and Recommendations
To protect PrestaShop installations from this vulnerability, upgrading to the latest version of the pkfacebook module is highly recommended.
Additionally, PrestaShop users should consider the following security measures:
- Upgrade PrestaShop to the latest version to disable multi-query executions and enhance overall security.
- Ensure that the
pSQL
function, which includes, is properly implemented to protect against Stored XSS vulnerabilities. - Change the default database prefix
ps_
to a longer, arbitrary prefix to make it more difficult for attackers to guess. - OWASP 942’s rules on a Web Application Firewall (WAF) will be activated to strengthen security further while being aware of potential conflicts with the back office functionality.
PrestaShop website owners are advised to address this critical vulnerability swiftly and implement the recommended security measures to safeguard their online stores and protect customer data from potential breaches.
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