CVE-2019-11876 Explained : Impact and Mitigation
Learn about CVE-2019-11876, a Reflected XSS vulnerability in PrestaShop 1.7.5.2 installation script. Find out the impact, affected systems, exploitation method, and mitigation steps.
PrestaShop 1.7.5.2 installation script is vulnerable to Reflected XSS through the shop_country parameter in the install/index.php.
Understanding CVE-2019-11876
This CVE involves a security vulnerability in PrestaShop 1.7.5.2 that allows for Reflected XSS attacks.
What is CVE-2019-11876?
CVE-2019-11876 is a vulnerability in the installation script/component of PrestaShop 1.7.5.2 that can be exploited through the shop_country parameter in the install/index.php file. The attacker needs the target user to complete initial setup stages before clicking on a malicious link.
The Impact of CVE-2019-11876
This vulnerability can lead to Reflected XSS attacks, potentially compromising the security and integrity of the PrestaShop installation and user data.
Technical Details of CVE-2019-11876
This section provides more technical insights into the CVE.
Vulnerability Description
The shop_country parameter in the install/index.php script of PrestaShop 1.7.5.2 is susceptible to Reflected XSS, enabling attackers to execute malicious scripts in the context of the user's session.
Affected Systems and Versions
- Product: PrestaShop 1.7.5.2
- Vendor: PrestaShop
- Version: All versions up to 1.7.5.2
Exploitation Mechanism
To exploit this vulnerability, a malicious actor needs to trick a user into completing the initial setup stages, such as accepting terms and conditions, and then clicking on a crafted malicious link.
Mitigation and Prevention
Protecting systems from CVE-2019-11876 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable the affected parameter or sanitize user inputs to prevent XSS attacks.
- Regularly monitor and audit the installation process for any suspicious activities.
Long-Term Security Practices
- Educate users about the risks of clicking on unknown links during software setup.
- Implement secure coding practices to mitigate XSS vulnerabilities in the future.
Patching and Updates
- Apply patches or updates provided by PrestaShop to address the vulnerability and enhance system security.