CVE-2021-45357 : Vulnerability Insights and Analysis

This CVE-2021-45357 involves a Cross-Site Scripting (XSS) vulnerability in Piwigo 12.x via the pwg_activity function in include/functions.inc.php.

Understanding CVE-2021-45357

This vulnerability can allow attackers to execute malicious scripts within a victim's browser when they visit a compromised website.

What is CVE-2021-45357?

The CVE-2021-45357 is a Cross-Site Scripting (XSS) vulnerability found in Piwigo 12.x through the pwg_activity function in include/functions.inc.php.

The Impact of CVE-2021-45357

Attackers can inject and execute malicious scripts on a victim's browser, potentially leading to information theft, session hijacking, or complete system compromise.

Technical Details of CVE-2021-45357

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The XSS vulnerability in Piwigo 12.x through the pwg_activity function allows threat actors to insert and execute malicious code on target browsers.

Affected Systems and Versions

Affected Product: Piwigo 12.x
Versions: All versions susceptible to the XSS vulnerability

Exploitation Mechanism

Exploitation occurs through the pwg_activity function in include/functions.inc.php, enabling attackers to inject and execute malicious scripts.

Mitigation and Prevention

It is crucial to take immediate remediation actions to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update Piwigo to the latest version that includes a patch for the XSS vulnerability.
Implement web application firewalls to filter and block malicious traffic.
Educate users on XSS attacks and safe browsing practices.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate XSS risks.

Patching and Updates

Stay updated on security advisories from Piwigo and apply patches promptly to secure your system.