Question 1

What is the Smush Image Optimization plugin?

Accepted Answer

What is the Smush Image Optimization plugin?

The Smush Image Optimization plugin is a popular WordPress plugin designed to optimize images, compress them, and improve website performance. It also supports lazy loading, WebP conversion, and image CDN integration. With over 1 million active installs and nearly 55 million downloads, it is widely used by WordPress website owners to enhance their site’s speed and efficiency.

Question 2

What is the CVE-2023-3352 vulnerability?

Accepted Answer

What is the CVE-2023-3352 vulnerability?

CVE-2023-3352 is a security vulnerability in the Smush Image Optimization plugin that allows authenticated users with minimal permissions to delete the resmush list. This vulnerability is due to a missing capability check on the delete_resmush_list() function. It affects plugin versions up to and including 3.16.4 and has a CVSS score of 4.3.

Question 3

How does this vulnerability affect my website?

Accepted Answer

How does this vulnerability affect my website?

This vulnerability allows users with minimal permissions, such as subscribers, to delete the resmush list, which is critical for image optimization. Unauthorized deletion of this list can disrupt your image optimization processes, leading to slower page load times and negatively affecting user experience. For small businesses, this can result in decreased customer satisfaction and potential loss of revenue.

Question 4

What should I do if my website is using an affected version of the Smush plugin?

Accepted Answer

What should I do if my website is using an affected version of the Smush plugin?

If your website is using an affected version of the Smush plugin, you should immediately update to version 3.16.5 or later. The update includes a proper capability check to prevent unauthorized deletions of the resmush list. Regularly checking for and applying updates to all your plugins is crucial to maintaining the security of your website.

Question 5

How can I check if my website has been compromised?

Accepted Answer

How can I check if my website has been compromised?

To check if your website has been compromised, review your Media Library and Nextgen galleries for any missing or unexpected changes to the resmush list. You can also use security plugins to scan your site for any signs of tampering or unauthorized changes. Regularly monitoring your site for unusual activity can help you identify and address security issues promptly.

Question 6

Are there any alternative plugins I can use?

Accepted Answer

Are there any alternative plugins I can use?

While the Smush plugin has released a patch, you may consider alternative plugins for image optimization. Evaluate the security history, update frequency, and user reviews of potential alternatives to ensure they meet your needs. Some popular alternatives include Imagify, ShortPixel, and EWWW Image Optimizer.

Question 7

Why is it important to keep plugins updated?

Accepted Answer

Why is it important to keep plugins updated?

Keeping plugins updated is essential to protect your website from known vulnerabilities and to ensure compatibility with the latest WordPress updates. Developers regularly release updates to fix security flaws, add new features, and improve performance. Regular updates help you maintain a secure and efficient website.

Question 8

What are the risks of not updating my plugins?

Accepted Answer

What are the risks of not updating my plugins?

Not updating your plugins can expose your website to security risks, including data breaches, unauthorized access, and site takeovers. Outdated plugins with known vulnerabilities are prime targets for attackers. Failing to update can result in significant damage to your website, loss of data, and harm to your business reputation.

Question 9

Who discovered the CVE-2023-3352 vulnerability?

Accepted Answer

Who discovered the CVE-2023-3352 vulnerability?

The CVE-2023-3352 vulnerability was discovered by Truoc Phan An Đặng. The vulnerability was publicly published on June 20, 2024. Security researchers like Truoc play a critical role in identifying and reporting vulnerabilities to help keep the internet safe.

Question 10

How can I stay informed about plugin vulnerabilities?

Accepted Answer

How can I stay informed about plugin vulnerabilities?

To stay informed about plugin vulnerabilities, subscribe to security bulletins from trusted sources such as Wordfence and Patchstack. Enable automatic updates for your plugins when possible and regularly check for new updates. Staying proactive about security updates helps protect your website from emerging threats.

Wordfence

Smush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP | Image CDN Vulnerability – Missing Authorization to Resmush List Deletion – CVE-2023-3352 | WordPress Plugin Vulnerability Report

The Mysterious Case of Disappearing Content: Troubleshooting Sudden Losses

WordPress Plugin Vulnerability Report – iframe – Authenticated (Contributor+) Stored Cross-Site Scripting via ‘iframe’ Shortcode – CVE-2023-4919

WordPress Plugin Vulnerability Report – Ad Inserter – Unauthenticated Sensitive Information Exposure – CVE-2023-4668, CVE-2023-4645

WordPress Plugin Vulnerability Report – Leaflet Map – Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode – CVE-2023-5050

Recent Blog Posts

Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App Vulnerability – Missing Authorization to Account Takeover via Unauthenticated Email Log Disclosure – CVE: NA | WordPress Plugin Vulnerability Report

SiteSEO – SEO Simplified Vulnerability – Missing Authorization to Authenticated (Author+) Plugin Settings Update – CVE-2025-12367 | WordPress Plugin Vulnerability Report

Qi Blocks Vulnerability – Missing Authorization to Authenticated (Contributor+) Plugin Settings Update – CVE-2025-12180 | WordPress Plugin Vulnerability Report

Additional Resources

About Your WP Guy