CVE-2018-12043 : Security Advisory and Response

Symphony 2.7.6 file "content/content.blueprintspages.php" has a cross-site scripting (XSS) vulnerability when accessing the pages content page.

Understanding CVE-2018-12043

This CVE entry describes a specific vulnerability in Symphony 2.7.6 that could lead to cross-site scripting attacks.

What is CVE-2018-12043?

Symphony 2.7.6's file "content/content.blueprintspages.php" is susceptible to XSS attacks when interacting with the pages content page.

The Impact of CVE-2018-12043

The vulnerability could allow malicious actors to execute arbitrary scripts in the context of the user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-12043

This section provides more technical insights into the vulnerability.

Vulnerability Description

The specific file in Symphony 2.7.6, "content/content.blueprintspages.php," enables XSS through the pages content page.

Affected Systems and Versions

Affected Version: Symphony 2.7.6

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the pages content page, which are then executed in the user's browser.

Mitigation and Prevention

Protecting systems from CVE-2018-12043 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable access to the vulnerable file or restrict it to authorized users only.
Regularly monitor and sanitize user inputs to prevent XSS attacks.

Long-Term Security Practices

Implement input validation and output encoding to mitigate XSS vulnerabilities.
Stay informed about security updates and patches for Symphony to address known vulnerabilities.

Patching and Updates

Ensure that you promptly apply patches and updates released by Symphony to fix the XSS vulnerability in version 2.7.6.