LH Add Headers Security & Risk Analysis

wordpress.org/plugins/lh-add-headers

Adds the ETag, Last-Modified, and if appropriate 304 headers to HTTP responses generated by WordPress for more efficient caching.

10 active installs v1.04 PHP + WP 3.1.0+ Updated May 2, 2017
cache-controlcachingexpiresheaderslast-modified
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is LH Add Headers Safe to Use in 2026?

Generally Safe

Score 85/100

LH Add Headers has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 9yr ago
Risk Assessment

The 'lh-add-headers' plugin version 1.04 exhibits a generally positive security posture based on the provided static analysis. There are no identified dangerous functions, file operations, external HTTP requests, or SQL queries that do not utilize prepared statements. The absence of any known CVEs in its history is also a strong indicator of good security practices. However, a significant concern arises from the output escaping. With 100% of outputs not being properly escaped, this presents a clear risk of Cross-Site Scripting (XSS) vulnerabilities if any dynamic data is reflected directly to the user. Furthermore, the complete lack of nonce and capability checks, coupled with no identified attack surface, might suggest the plugin has limited functionality that doesn't require these checks. This could be a strength if the plugin is genuinely simple, or a weakness if its functionality is underestimated or could evolve to require such protections.

Key Concerns

  • Output not properly escaped
  • No nonce checks
  • No capability checks
Vulnerabilities
None known

LH Add Headers Security Vulnerabilities

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

LH Add Headers Release Timeline

No version history available.
Code Analysis
Analyzed Apr 16, 2026

LH Add Headers Code Analysis

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

SQL Query Safety

100% prepared1 total queries

Output Escaping

0% escaped1 total outputs
Attack Surface

LH Add Headers Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 2
actionshutdownlh-add-headers.php:34
actiontemplate_redirectlh-add-headers.php:126
Maintenance & Trust

LH Add Headers Maintenance & Trust

Maintenance Signals

WordPress version tested4.8.28
Last updatedMay 2, 2017
PHP min version
Downloads2K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

LH Add Headers Developer Profile

shawfactor

89 plugins · 15K total installs

90
trust score
Avg Security Score
85/100
Avg Patch Time
7 days
View full developer profile
Detection Fingerprints

How We Detect LH Add Headers

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

Asset Fingerprints

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about LH Add Headers