Jinx Fast-Cache Security & Risk Analysis

wordpress.org/plugins/jinx-fast-cache

Blazing fast full-page caching for WordPress. Jinx Fast-Cache serves static HTML files, bypassing PHP and database overhead entirely.

0 active installs v0.9.8 PHP 8.0+ WP 5.0+ Updated Jan 16, 2026
cachefullpagehtmlperformancestatic-cache
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Jinx Fast-Cache Safe to Use in 2026?

Generally Safe

Score 100/100

Jinx Fast-Cache has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 2mo ago
Risk Assessment

The "jinx-fast-cache" v0.9.8 plugin presents several significant security concerns, outweighing its apparent lack of past vulnerabilities. The static analysis reveals a considerable attack surface with two AJAX handlers lacking any authentication checks. This is a critical oversight, as it allows unauthenticated users to potentially trigger plugin functionality. Furthermore, the code exhibits a high proportion of SQL queries (6 total) that do not utilize prepared statements, increasing the risk of SQL injection vulnerabilities. Output escaping is also a major weakness, with only 19% of outputs properly escaped, suggesting potential cross-site scripting (XSS) vulnerabilities.

The taint analysis highlights a concerning flow with unsanitized paths, identified as high severity. This indicates that user-supplied input is being used in file operations or path manipulations without proper sanitization, which could lead to directory traversal or arbitrary file read/write vulnerabilities. The complete absence of nonce and capability checks on entry points is also alarming, further exacerbating the risks associated with the unprotected AJAX handlers. While the plugin has no recorded CVEs, this absence does not guarantee safety, especially given the numerous weaknesses identified in the static and taint analyses. The lack of historical vulnerabilities might be due to the plugin's limited usage or the fact that these potential vulnerabilities have not yet been discovered or exploited.

In conclusion, despite the absence of known CVEs, the "jinx-fast-cache" v0.9.8 plugin has a poor security posture. The unprotected AJAX handlers, lack of input sanitization in taint flows, raw SQL queries, and insufficient output escaping create a high risk for potential exploitation. It is strongly recommended that this plugin be reviewed and updated to address these critical security flaws before it is used in a production environment.

Key Concerns

  • AJAX handlers without authentication
  • SQL queries without prepared statements
  • Low percentage of properly escaped output
  • High severity taint flow with unsanitized paths
  • No nonce checks on entry points
  • No capability checks on entry points
Vulnerabilities
None known

Jinx Fast-Cache Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 17, 2026

Jinx Fast-Cache Code Analysis

Dangerous Functions
0
Raw SQL Queries
6
0 prepared
Unescaped Output
69
16 escaped
Nonce Checks
0
Capability Checks
0
File Operations
10
External Requests
1
Bundled Libraries
0

SQL Query Safety

0% prepared6 total queries

Output Escaping

19% escaped85 total outputs
Data Flows
3 unsanitized

Data Flow Analysis

3 flows3 with unsanitized paths
ajaxInject (src\Front.php:112)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface
2 unprotected

Jinx Fast-Cache Attack Surface

Entry Points4
Unprotected2

AJAX Handlers 2

authwp_ajax_jinx-fast-cache-injectsrc\Front.php:39
noprivwp_ajax_jinx-fast-cache-injectsrc\Front.php:40

Shortcodes 2

[jinx_fast_cache_inject] src\Front.php:62
[jinx_fast_cache] src\Front.php:102
WordPress Hooks 41
actionplugins_loadedindex.php:32
actionadmin_initindex.php:33
actioninitindex.php:34
actioninitindex.php:35
actioninitindex.php:36
actioninitindex.php:37
actionupgrader_process_completesrc\Admin.php:21
actionadmin_bar_menusrc\Admin.php:29
filterblock_categories_allsrc\Admin.php:31
actionbefore_delete_postsrc\Admin.php:191
actionsave_postsrc\Admin.php:205
actionpre_delete_termsrc\Admin.php:253
actionsaved_termsrc\Admin.php:267
actionadmin_noticessrc\Admin.php:489
actionadmin_noticessrc\Admin.php:522
actionadmin_noticessrc\Admin.php:557
actiontemplate_redirectsrc\Front.php:23
actionwp_footersrc\Front.php:26
actionjinx_fast_cache_injectsrc\Front.php:42
actionjinx_fast_cache_inject_templatesrc\Front.php:46
filterjinx_fast_cache_outputsrc\Front.php:50
actionjinx_fast_cachesrc\Front.php:85
filtercron_schedulessrc\GarbageCollector.php:18
actionjinx_fast_cache_gcsrc\GarbageCollector.php:29
filterjinx_fast_cache_activesrc\Plugin.php:39
filterjinx_fast_cache_ttlsrc\Plugin.php:43
filterjinx_fast_cache_refresh_on_upgradesrc\Plugin.php:47
filterjinx_fast_cache_ignore_logged_in_userssrc\Plugin.php:51
filterjinx_fast_cache_ignore_404src\Plugin.php:55
filterjinx_fast_cache_gc_intervalsrc\Plugin.php:59
filterjinx_fast_cache_minifysrc\Plugin.php:63
filterjinx_fast_cache_queue_intervalsrc\Plugin.php:67
filterjinx_fast_cache_queue_sizesrc\Plugin.php:71
filterjinx_fast_cache_post_typessrc\Plugin.php:75
filterjinx_fast_cache_taxonomiessrc\Plugin.php:79
filterjinx_fast_cache_query_paramssrc\Plugin.php:83
filterjinx_fast_cache_activesrc\Plugin.php:87
filtercron_schedulessrc\Queue.php:18
actionjinx_fast_cache_queuesrc\Queue.php:29
actionadmin_menusrc\Settings.php:16
actionadmin_initsrc\Settings.php:17

Scheduled Events 2

jinx_fast_cache_gc
jinx_fast_cache_queue
Maintenance & Trust

Jinx Fast-Cache Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.0
Last updatedJan 16, 2026
PHP min version8.0
Downloads1K

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

Jinx Fast-Cache Developer Profile

Lukas Rydygel

4 plugins · 10 total installs

89
trust score
Avg Security Score
93/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Jinx Fast-Cache

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/jinx-fast-cache/assets/js/jinx-fast-cache.js/wp-content/plugins/jinx-fast-cache/assets/js/jinx-fast-cache-blocks.js
Script Paths
/wp-content/plugins/jinx-fast-cache/assets/js/jinx-fast-cache.js/wp-content/plugins/jinx-fast-cache/assets/js/jinx-fast-cache-blocks.js

HTML / DOM Fingerprints

CSS Classes
jinx-fast-cache-inject
HTML Comments
Cached by Jinx Fast-Cache - https://jinx-digital.com - Last modified:
Data Attributes
data-iddata-path
JS Globals
jinx_fast_cache
REST Endpoints
/wp-json/jinx-fast-cache/
Shortcode Output
[jinx_fast_cache_inject][jinx_fast_cache]
FAQ

Frequently Asked Questions about Jinx Fast-Cache