# Image Optimizer – Compress Images and Convert to WebP or AVIF

> Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve &hellip;

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-06 04:20 UTC.

## Facts (WordPress.org)

- Slug: `image-optimization`
- Author: Elementor
- Version: 1.7.7
- Active installs: 1+ million
- Last update: 2026-09-22 (1 months ago)
- Tested up to: WordPress 7.0.8 (current: 7.1.4)
- Requires: WordPress 6.7, PHP 7.4
- Tags: convert AVIF, convert webp, image compression, image optimization, performance
- Page: https://wordpress.org/plugins/image-optimization/

## Checks (against WordPress 7.1.4)

- OK: Updated 1 months ago.
- FLAG: Not tested with WordPress 7.1 (tested up to 7.0.8).
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Slows pages ↔ Speeds up, Clashes ↔ Plays well, Inaccessible ↔ Accessible, Flaky ↔ Reliable, Breaking ↔ Smooth, Behind ↔ Current.

## Known vulnerabilities

- 2026-07-02 HIGH: Authenticated (Author+) Arbitrary File Deletion via Post Meta Field Injection (up to 1.7.4). CVE-2026-5821, https://www.wordfence.com/threat-intel/vulnerabilities/id/a1a00374-e9d6-46f9-a28c-cb7768505787?source=api-prod
- 2026-02-20 MEDIUM: Missing Authorization (up to 1.7.1). CVE-2026-25387, https://www.wordfence.com/threat-intel/vulnerabilities/id/90ab885e-b4df-4774-96e0-53cff569713a?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

Compare: https://todaywp.com/plugins/compare?slugs=image-optimization · HTML: https://todaywp.com/plugins/image-optimization
