DNS Prefetch Security & Risk Analysis

wordpress.org/plugins/dns-prefetch

Adds dns prefetching meta tags to your site.

80 active installs v0.1.0 PHP + WP 4.0+ Updated Jan 20, 2015
dnsoptimizationprefetch
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is DNS Prefetch Safe to Use in 2026?

Generally Safe

Score 85/100

DNS Prefetch 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 "dns-prefetch" plugin version 0.1.0 exhibits a strong security posture in several key areas, particularly regarding its attack surface and SQL practices. The complete absence of AJAX handlers, REST API routes, shortcodes, and cron events with any level of exposure significantly limits potential entry points for attackers. Furthermore, all detected SQL queries utilize prepared statements, which is an excellent practice for preventing SQL injection vulnerabilities. The vulnerability history is also clean, with no recorded CVEs, indicating a history of responsible development or a lack of significant past security issues.

However, a notable concern arises from the output escaping. With 17 total outputs and only 6% properly escaped, this indicates a high likelihood of Cross-Site Scripting (XSS) vulnerabilities. This is a critical area of weakness that could be exploited by attackers to inject malicious scripts into the user interface. While the taint analysis shows no flows, this is likely due to the limited scope of the analysis or the absence of complex data flows that would trigger it. The lack of nonce checks and the presence of capability checks (though their context isn't specified) are also points to consider, though less critical than the XSS risk given the overall minimal attack surface.

In conclusion, the plugin's strengths lie in its restricted attack surface and secure database interactions. Its primary and most significant weakness is the poor handling of output escaping, leading to a substantial XSS risk. The absence of past vulnerabilities is positive, but it does not negate the immediate risks identified in the static analysis. Addressing the output escaping should be the top priority for improving this plugin's security.

Key Concerns

  • High percentage of unescaped output
Vulnerabilities
None known

DNS Prefetch Security Vulnerabilities

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

DNS Prefetch Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
16
1 escaped
Nonce Checks
0
Capability Checks
3
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

6% escaped17 total outputs
Attack Surface

DNS Prefetch Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 7
actioninitdns-prefetch.php:34
actionadmin_initdns-prefetch.php:41
actionadmin_menudns-prefetch.php:57
actionwp_headdns-prefetch.php:110
actionadmin_noticesdns-prefetch.php:136
actionadmin_headdns-prefetch.php:157
filterplugin_row_metadns-prefetch.php:174
Maintenance & Trust

DNS Prefetch Maintenance & Trust

Maintenance Signals

WordPress version tested4.1.42
Last updatedJan 20, 2015
PHP min version
Downloads4K

Community Trust

Rating94/100
Number of ratings3
Active installs80
Developer Profile

DNS Prefetch Developer Profile

jp2112

14 plugins · 1K total installs

85
trust score
Avg Security Score
87/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect DNS Prefetch

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 DNS Prefetch