PLUGIN SECURITY
Is Image Optimization safe?
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
What this plugin does
- Slug:
image-optimization - Author: Elementor
- 1000000+ active installs
- 34/100 rating (80 reviews on wordpress.org)
- 16393880 all-time downloads
- On WordPress.org since 2024-01-08
convert AVIFconvert webpimage compressionimage optimizationperformance
Maintenance status
- Latest known version: 1.7.6
- Last updated: 2026-09-22 9:23am GMT
- Tested up to WordPress: 7.0.7
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
3 known CVEs on file for Image Optimization. Reported between 2026 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-90953 | Image Optimizer – Compress Images and Convert to WebP or AVIF [image-optimization] < 1.7.7 | Exposure of Sensitive Information to an Unauthorized Actor | Unknown | < 1.7.7 | 1.7.7 | 2026-09-30 | ⚠ update needed |
| CVE-2026-5821 | Image Optimizer – Compress Images and Convert to WebP or AVIF [image-optimization] < 1.7.5 | External Control of File Name or Path | High 8.1 | < 1.7.5 | 1.7.5 | 2026-07-01 | ✓ fixed in latest |
| CVE-2026-25387 | Image Optimizer – Compress Images and Convert to WebP or AVIF [image-optimization] < 1.7.2 | Missing Authorization | Medium 4.3 | < 1.7.2 | 1.7.2 | 2026-02-19 | ✓ fixed in latest |
How to fix it
Keep Image Optimization updated — 1.7.6 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- Smush – Image Optimization, Compression, Lazy Load, WebP & CDN — 1000000+ active installs — 96/100 (6053) — max PHP <8.0
- Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF — 900000+ active installs — 86/100 (1657) — max PHP 8.4
- Converter for Media – Optimize images | Convert WebP & AVIF — 500000+ active installs — 98/100 (1106) — max PHP 8.4
- ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF — 300000+ active installs — 90/100 (829)
- CompressX — AVIF & WebP Converter, Media Replacement — 40000+ active installs — 100/100 (196)
Check your own WordPress site
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