CVE-2021-46782 : Vulnerability Insights and Analysis

The Pricing Table by Supsystic WordPress plugin before version 1.9.5 is vulnerable to Reflected Cross-Site Scripting.

Understanding CVE-2021-46782

What is CVE-2021-46782?

The Pricing Table by Supsystic WordPress plugin before 1.9.5 does not properly escape the tab parameter, leading to a Reflected Cross-Site Scripting vulnerability.

The Impact of CVE-2021-46782

This vulnerability could allow an attacker to execute malicious scripts in the context of a victim's browser session, potentially compromising sensitive information or performing unauthorized actions.

Technical Details of CVE-2021-46782

Vulnerability Description

The plugin fails to sanitize the tab parameter, enabling an attacker to inject malicious scripts that are then executed in the user's browser.

Affected Systems and Versions

Product: Pricing Table by Supsystic
Vendor: Unknown
Versions Affected: < 1.9.5

Exploitation Mechanism

The lack of proper input validation and output encoding allows an attacker to craft a malicious link containing a specially crafted tab parameter, leading to the execution of arbitrary scripts.

Mitigation and Prevention

Immediate Steps to Take

Update the Pricing Table by Supsystic plugin to version 1.9.5 or newer.
Consider disabling the affected plugin until it is patched.

Long-Term Security Practices

Regularly monitor for plugin updates and security advisories.
Educate users about the risks of clicking on untrusted links to prevent XSS attacks.

Patching and Updates

It is essential to promptly apply security patches released by the plugin vendor to mitigate the risk of exploitation.