CVE-2021-24757 : Vulnerability Insights and Analysis

The Stylish Price List WordPress plugin before version 6.9.0 is vulnerable to an unauthenticated arbitrary image upload flaw, allowing unauthorized users to upload images without proper capability checks.

Understanding CVE-2021-24757

This CVE highlights a security issue in the Stylish Price List plugin that could potentially be exploited by unauthenticated users.

What is CVE-2021-24757?

The vulnerability in the Stylish Price List plugin, versions prior to 6.9.0, allows unauthenticated users to upload images due to the lack of capability checks in the spl_upload_ser_img AJAX action.

The Impact of CVE-2021-24757

The impact of this vulnerability is that it grants unauthorized users the ability to upload images, which could lead to further security breaches or malicious activities.

Technical Details of CVE-2021-24757

This section provides more in-depth technical details regarding the CVE.

Vulnerability Description

The Stylish Price List plugin fails to perform capability checks in the spl_upload_ser_img AJAX action, making it accessible to both authenticated and unauthenticated users.

Affected Systems and Versions

Stylish Price List plugin versions earlier than 6.9.0 are impacted by this security flaw.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the spl_upload_ser_img AJAX action to upload malicious images without proper authorization.

Mitigation and Prevention

Protecting systems from CVE-2021-24757 is crucial to maintain security.

Immediate Steps to Take

Immediately update the Stylish Price List plugin to version 6.9.0 or later to mitigate the risk of unauthorized image uploads.

Long-Term Security Practices

Implement strict access controls and conduct regular security audits to identify and address any potential vulnerabilities in plugins.

Patching and Updates

Stay informed about security updates for all installed plugins and apply patches promptly to prevent exploitation of known vulnerabilities.