Simple Cache Killer Security & Risk Analysis

wordpress.org/plugins/simple-cache-killer

Allows users to specify that requests to their content not be cached in any way, easily from within the Wordpress admin.

10 active installs v1.0.2 PHP + WP 3.0.1+ Updated Sep 8, 2014
cachecache-controlcachingmeta-http-equivpragma-no-cache
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Simple Cache Killer Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 11yr ago
Risk Assessment

The 'simple-cache-killer' plugin version 1.0.2 exhibits an exceptionally strong security posture based on the provided static analysis and vulnerability history. The absence of any identified attack surface entry points (AJAX handlers, REST API routes, shortcodes, cron events), dangerous functions, raw SQL queries, file operations, or external HTTP requests significantly reduces the potential for exploitation. Furthermore, the complete lack of unsanitized taint flows, along with 100% output escaping and prepared statement usage, demonstrates a high level of developer diligence in preventing common web vulnerabilities. The plugin's vulnerability history is also pristine, with no recorded CVEs of any severity. This suggests a mature and well-maintained codebase that has likely undergone thorough security reviews or has been developed with security as a primary concern from its inception. While the lack of explicit capability and nonce checks on the zero identified entry points might seem like a minor oversight, in this context, it does not pose a practical risk due to the absence of those entry points in the first place. Therefore, this plugin appears to be highly secure.

Vulnerabilities
None known

Simple Cache Killer Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

Simple Cache Killer Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
0
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0
Attack Surface

Simple Cache Killer Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 3
actionadmin_initsck-options.php:2
actionadmin_menusck-options.php:3
filterwp_headsimple-cache-killer.php:47
Maintenance & Trust

Simple Cache Killer Maintenance & Trust

Maintenance Signals

WordPress version tested4.0.38
Last updatedSep 8, 2014
PHP min version
Downloads2K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

Simple Cache Killer Developer Profile

John Cummings

3 plugins · 120 total installs

87
trust score
Avg Security Score
90/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Simple Cache Killer

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

Asset Fingerprints

HTML / DOM Fingerprints

Data Attributes
name="sck[meta_cache_control]"name="sck[pragma_cache_control]"name="sck[cache_must_revalidate]"name="sck[send_pragma_nocache]"name="sck[send_cache_expires]"
Shortcode Output
<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE"><META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">
FAQ

Frequently Asked Questions about Simple Cache Killer