Thumbnail Manager Security & Risk Analysis

wordpress.org/plugins/thumbnail-manager

Regenerate WordPress thumbnails, control image sizes, and safely clean unused Media Library files with resumable, review-first jobs.

60 active installs v1.4.0 PHP 7.4+ WP 6.3+ Updated Jul 17, 2026
cleanupimage-sizesmedia-libraryregenerate-thumbnailsthumbnails
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Thumbnail Manager Safe to Use in 2026?

Generally Safe

Score 100/100

Thumbnail Manager has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1mo ago
Risk Assessment

The thumbnail-manager v1.0.1 plugin exhibits a generally good security posture based on the provided static analysis. The absence of REST API routes, shortcodes, and cron events, combined with all SQL queries using prepared statements and a focus on nonce and capability checks for its two AJAX handlers, are positive indicators. The code also demonstrates no file operations or external HTTP requests, further reducing its attack surface. However, a significant concern arises from the output escaping, where only 58% of outputs are properly escaped. This leaves a potential avenue for cross-site scripting (XSS) vulnerabilities if user-supplied data is directly outputted without adequate sanitization. The plugin's vulnerability history is clean, with no recorded CVEs, which suggests a history of stable and secure development. Overall, while the plugin has strong foundational security practices in place, the partial output escaping is a notable weakness that requires attention to prevent potential XSS exploits.

Key Concerns

  • Unescaped output detected
Vulnerabilities
None known

Thumbnail Manager Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

Thumbnail Manager Release Timeline

v1.4.0Current
v1.3
v1.2
v1.1
v1.0.1
v1.0
Code Analysis
Analyzed Mar 16, 2026

Thumbnail Manager Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
27
38 escaped
Nonce Checks
3
Capability Checks
3
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

58% escaped65 total outputs
Data Flows · Security
All sanitized

Data Flow Analysis

2 flows
yotm_prune_thumbnails_page (inc\admin-menu.php:62)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Thumbnail Manager Attack Surface

Entry Points2
Unprotected0

AJAX Handlers 2

authwp_ajax_yotm_prune_delete_batchinc\handle-delete.php:7
authwp_ajax_yotm_prune_prepareinc\handle-prune.php:7
WordPress Hooks 3
actionadmin_enqueue_scriptsinc\admin-menu.php:15
actionadmin_menuinc\admin-menu.php:51
filterintermediate_image_sizes_advancedinc\filter-disabled-sizes.php:8
Maintenance & Trust

Thumbnail Manager Maintenance & Trust

Maintenance Signals

WordPress version tested7.0.2
Last updatedJul 17, 2026
PHP min version7.4
Downloads1K

Community Trust

Rating100/100
Number of ratings1
Active installs60
Developer Profile

Thumbnail Manager Developer Profile

YoOhw Studio

12 plugins · 3K total installs

79
trust score
Avg Security Score
100/100
Avg Patch Time
170 days
View full developer profile
Detection Fingerprints

How We Detect Thumbnail Manager

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/thumbnail-manager/css/style.css/wp-content/plugins/thumbnail-manager/js/admin.js
Script Paths
/wp-content/plugins/thumbnail-manager/js/admin.js
Version Parameters
thumbnail-manager/css/style.css?ver=thumbnail-manager/js/admin.js?ver=

HTML / DOM Fingerprints

CSS Classes
yo-tabsyo-tabyo-panelyo-rowyo-sizesyo-progress
Data Attributes
data-tabid="yotm_tabs"id="yotm_panel_prune"id="yotm_limit_subpath"id="yotm_form"onsubmit="return false;"+10 more
JS Globals
YOTM
FAQ

Frequently Asked Questions about Thumbnail Manager