reSmush.it : The original free image compressor and optimizer plugin

reSmush.it : The original free image compressor and optimizer plugin has 3 disclosed vulnerabilities in the WordSec catalog, all reported in 2022; all 3 are fixed as of September 2026. Their average CVSS score is 7.2, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 2 high. 2022 was the busiest year with 3 disclosures.

The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (33%). Other recurring categories include Cross-Site Scripting, Missing Authorization.

Every one of the 3 issues recorded for reSmush.it : The original free image compressor and optimizer plugin has a vendor fix available, so running the current release closes all known holes.

All of these findings were reported by Raad Haddad. reSmush.it : The original free image compressor and optimizer plugin is installed on roughly 100,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.

Strategic Overview

Avg CVSSHigh

7.2/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all reSmush.it : The original free image compressor and optimizer plugin vulnerabilities before they are exploited.

Highest severity on recordCVSS 8.8CVE-2022-2449

reSmush.it Image Optimizer <= 0.4.6 - Cross-Site Request Forgery

Read the full analysis

Vulnerability Records

3 records


2022-10-26 00:00	reSmush.it Image Optimizer <= 0.4.6 - Cross-Site Request Forgery reSmush.it <= 0.4.6	`CVE-2022-2449`	8.8 High	Raad Haddad	Yes
2022-09-19 00:00	reSmush.it Image Optimizer <= 0.4.5 - Authenticated (Administrator+) Cross-Site Scripting reSmush.it <= 0.4.5	`CVE-2022-2448`	5.5 Medium	Raad Haddad	Yes
2022-08-11 00:00	reSmush.it <= 0.4.3 - Missing Authorization reSmush.it <= 0.4.3	`CVE-2022-2450`	7.3 High	Raad Haddad	Yes

Showing 1–3 of 3 reports

Latestv1.0.6

reSmush.it : The original free image compressor and optimizer plugin

Author

ShortPixel

4.3(165)

86/100

Last Updated

2026-08-20 (23d ago)

Active Installs

100,000+

Downloads

3,588,220

Requires WP

4.0.0+

Requires PHP

7.4+

Tested up to

WP 7.1

Created

2016-07-01 (10y ago)

The reSmush.it Image Optimizer is a free WordPress image compressor and optimizer plugin which allows you to smush your website’s images so that they load faster. The plugin is super easy to use (just 2 clicks!), supports JPG, PNG and GIF image formats and can be used to bulk optimize current (past) images and automatically optimize all new images. You can also adjust the optimization levels and exclude certain images. Since its launch more than 9 years ago, reSmush.it has become the preferred choice for WordPress image optimization as it allows you to smush the images for free. reSmush.it image optimization service works on various CMS platforms (WordPress, Drupal, Joomla, Magento, Prestashop, etc.) and is used by more than 400,000 websites worldwide. reSmush.it has earned the reputation of being the best free, fast and easy image optimization plugin out there 🙂 Features: – Free bulk image compressor – Automatic image optimization on upload – Keep or remove EXIF data – Image quality selector – Exclude images from optimization – Powerful and free image optimizer API – Customizable settings for image quality – Automatic image optimization with CRON – Backup and restore original images – Image statistics – File logging for developers Other plugins by ShortPixel: FastPixel Caching – WP Optimization made easy ShortPixel Image Optimizer – Image optimization & compression for all the images on your website, including WebP & AVIF delivery ShortPixel Adaptive Images – On-the-fly image optimization & CDN delivery Enable Media Replace – Easily replace images or files in Media Library reGenerate Thumbnails Advanced – Easily regenerate thumbnails Resize Image After Upload – Automatically resize each uploaded image WP SVG Images – Secure upload of SVG files to Media Library

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