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ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF

shortpixel-image-optimiser

Vulnerabilities:

11

Last Updated:

October 9, 2026

Active Installs:

300000

Published
Title
Fixed in
CVSS
Published
2026-10-08
Title
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF < 6.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
Fixed in
Fixed in 6.6.0
CVSS
5.5 (medium)
Published
2026-09-24
Title
ShortPixel Image Optimizer < 6.5.6 - Subscriber+ PHP Object Injection
Fixed in
Fixed in 6.5.6
CVSS
7.5 (high)
Published
2026-09-17
Title
ShortPixel Image Optimizer <= 6.5.5 - Author+ PHP Object Injection via Nested JSON Post Content
Fixed in
Fixed in 6.5.6
CVSS
6.6 (medium)
Published
2026-04-20
Title
ShortPixel Image Optimizer < 6.4.4 - Author+ PHP Object Injection
Fixed in
Fixed in 6.4.4
CVSS
6.6 (medium)
Published
2026-03-25
Title
ShortPixel Image Optimizer < 6.4.4 - Authenticated (Author+) Stored Cross-Site Scripting via Attachment Title
Fixed in
Fixed in 6.4.4
CVSS
4.8 (medium)
Published
2026-02-04
Title
ShortPixel Image Optimizer < 6.4.3 - Authenticated (Editor+) Arbitrary File Read via 'loadFile' Parameter
Fixed in
Fixed in 6.4.3
CVSS
4.9 (medium)
Published
2025-10-17
Title
ShortPixel Image Optimizer < 6.3.5 - Authenticated (Contributor+) Settings Import/Export
Fixed in
Fixed in 6.3.5
CVSS
5.4 (medium)
Published
2024-10-13
Title
ShortPixel Image Optimizer < 5.6.4 - Authenticated (Editor+) SQL Injection
Fixed in
Fixed in 5.6.4
CVSS
4.9 (medium)
Published
2024-10-13
Title
ShortPixel Image Optimizer < 5.6.4 - Missing Authorization
Fixed in
Fixed in 5.6.4
CVSS
4.3 (medium)
Published
2023-09-14
Title
ShortPixel Image Optimizer < 5.4.2 - Authenticated(Editor+) PHP Object Injection
Fixed in
Fixed in 5.4.2
CVSS
6.6 (medium)
Published
2022-06-14
Title
ShortPixel Image Optimizer < 4.22.10 - Reflected Cross-Site Scripting
Fixed in
Fixed in 4.22.10
CVSS
6.1 (medium)