Thumbshots plugin Security & Risk Analysis

wordpress.org/plugins/website-thumbshots

This plugin uses the Thumbshots.RU API to replace special tags in posts with website screenshots. Note: This plugin is no longer maintained.

10 active installs v1.4.6 PHP + WP 2.0+ Updated May 13, 2020
snapshotthumbshotwebsite-previewwebsite-screenshotwebsite-thumbnail
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Thumbshots plugin Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 6yr ago
Risk Assessment

The "website-thumbshots" plugin v1.4.6 presents a mixed security posture. While it demonstrates good practice by exclusively using prepared statements for SQL queries and has no recorded vulnerability history, several critical security concerns are evident in the static analysis. The absence of any nonce or capability checks on its entry points, particularly the two unprotected AJAX handlers, is a significant weakness. This directly exposes the plugin to potential Cross-Site Request Forgery (CSRF) attacks or unauthorized actions by unauthenticated users.

The presence of dangerous functions like `unserialize`, `set_time_limit`, and `ini_set` without adequate input validation or sanitization, coupled with taint analysis revealing two flows with unsanitized paths, strongly suggests a risk of arbitrary code execution or denial-of-service vulnerabilities. Furthermore, 100% of output is unescaped, opening the door to Cross-Site Scripting (XSS) attacks when user-supplied data is displayed. The plugin's attack surface is relatively small, but the unprotected nature of a portion of it and the identified code signals demand significant attention.

In conclusion, while the plugin benefits from a clean vulnerability history and secure SQL handling, the lack of robust authentication and authorization on its AJAX endpoints, combined with risky function usage and unescaped output, creates substantial security risks. Remediation efforts should prioritize input sanitization, output escaping, and the implementation of proper nonce and capability checks for all entry points to mitigate these vulnerabilities.

Key Concerns

  • Unprotected AJAX handlers
  • Unescaped output detected
  • Flows with unsanitized paths
  • Dangerous functions without checks
  • Missing nonce checks
  • Missing capability checks
Vulnerabilities
None known

Thumbshots plugin Security Vulnerabilities

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

Thumbshots plugin Release Timeline

v1.4.3
v1.4.2
v1.4.1
v1.4.0
Code Analysis
Analyzed Apr 16, 2026

Thumbshots plugin Code Analysis

Dangerous Functions
8
Raw SQL Queries
0
0 prepared
Unescaped Output
15
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
19
External Requests
1
Bundled Libraries
0

Dangerous Functions Found

unserializeif( @unserialize($option) !== false ) return unserialize($option);inc/_plugin-helper.class.php:91
unserializeif( @unserialize($option) !== false ) return unserialize($option);inc/_plugin-helper.class.php:91
set_time_limitset_time_limit(30); // 30 secinc/_thumbshots.class.php:285
ini_setini_set( 'max_execution_time', '30' );inc/_thumbshots.class.php:287
ini_setini_set( 'max_input_time', '30' );inc/_thumbshots.class.php:288
ini_setini_set( 'memory_limit', '400M' );inc/_thumbshots.class.php:497
ini_set@ini_set( 'user_agent', $this->_name.' v'.$this->_version.' (+http://www.thumbshots.ru)' );inc/_thumbshots.class.php:741
ini_set@ini_set('memory_limit', '500M'); // artificially inflate memory if we caninc/_thumbshots.class.php:1129

Output Escaping

0% escaped15 total outputs
Data Flows · Security
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
display_exit_page (thumbshots.plugin.php:712)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface
2 unprotected

Thumbshots plugin Attack Surface

Entry Points4
Unprotected2

AJAX Handlers 2

authwp_ajax_thumb_reloadthumbshots.plugin.php:72
authwp_ajax_clear_thumb_cachethumbshots.plugin.php:73

Shortcodes 2

[thumb] thumbshots.plugin.php:62
[thumbshot] thumbshots.plugin.php:63
WordPress Hooks 5
actioninitthumbshots.plugin.php:71
actionadmin_menuthumbshots.plugin.php:74
actionwp_headthumbshots.plugin.php:75
actiondbx_post_sidebarthumbshots.plugin.php:78
filterplugin_action_linksthumbshots.plugin.php:81
Maintenance & Trust

Thumbshots plugin Maintenance & Trust

Maintenance Signals

WordPress version tested3.5.2
Last updatedMay 13, 2020
PHP min version
Downloads4K

Community Trust

Rating30/100
Number of ratings2
Active installs10
Developer Profile

Thumbshots plugin Developer Profile

sam2kb

2 plugins · 10 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Thumbshots plugin

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/website-thumbshots/css/styles.css/wp-content/plugins/website-thumbshots/js/jquery.hoverIntent.min.js/wp-content/plugins/website-thumbshots/js/thumbshots-script.js
Script Paths
/wp-content/plugins/website-thumbshots/js/jquery.hoverIntent.min.js/wp-content/plugins/website-thumbshots/js/thumbshots-script.js
Version Parameters
website-thumbshots/css/styles.css?ver=website-thumbshots/js/jquery.hoverIntent.min.js?ver=website-thumbshots/js/thumbshots-script.js?ver=

HTML / DOM Fingerprints

CSS Classes
thumbshot-imgthumbshot-preview
HTML Comments
<!-- website thumbshots plugin --><!-- website thumbshots API --><!-- website thumbshots script --><!-- website thumbshots css -->
Data Attributes
data-thumbshot-iddata-thumbshot-urldata-thumbshot-widthdata-thumbshot-heightdata-thumbshot-qualitydata-thumbshot-link
JS Globals
thumbshots_reload_urlsthumbshots_clear_cache_urlthumbshots_ajax_urlthumbshots_plugin_options
Shortcode Output
<img class="thumbshot-img" src="<a href="<img src="<a class="thumbshot-img" href="
FAQ

Frequently Asked Questions about Thumbshots plugin