WPThumb

WPThumb has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.

The most common weakness is Server-Side Request Forgery (SSRF), behind 1 of the records (100%).

The one issue recorded for WPThumb has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.

All of these findings were reported by domiee13. WPThumb is installed on roughly 800 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 3.7.41.

Strategic Overview

Avg CVSSMedium

6.4/ 10

Patch Coverage0%

Open

Fixed

Get automatic notifications for all WPThumb vulnerabilities before they are exploited.

Most severe open issueCVSS 6.4CVE-2025-49983

WPThumb <= 0.10 - Authenticated (Contributor+) Server-Side Request Forgery

Read the full analysis

Vulnerability Records

1 records


2025-06-19 00:00	WPThumb <= 0.10 - Authenticated (Contributor+) Server-Side Request Forgery WPThumb <= 0.10	`CVE-2025-49983`	6.4 Medium	domiee13	No

Showing 1–1 of 1 reports

Plugin Profile

Latestv0.10

WPThumb

Author

Joe Hoyle

5.0(3)

100/100

Last Updated

2014-04-01 (13y ago)

Active Installs

800+

Downloads

37,911

Requires WP

3.5+

Requires PHP

Tested up to

WP 3.7.41

Created

2011-11-11 (15y ago)

WP Thumb is a simple plugin that seamlessly integrates with the WordPress image functions. You can specify height, width and crop values, and an image will be generated, which is then cached for future use. Features Automatic images resizing, cropping and caching. Ideal for when you want to change the dimensions of default image sizes. Can extend using filters to make use of any of the phpThumb Library functions by manipulating the image object. Contribution guidelines see https://github.com/humanmade/WPThumb/blob/master/CONTRIBUTING.md

View on WordPress.org