ViperFeed Security & Risk Analysis

wordpress.org/plugins/viperfeed

ViperFeed adds a gorgeous footer to your RSS feed. This will be displayed for people who get your blog posts via email, or in an RSS reader.

10 active installs v1.1 PHP + WP 3.0+ Updated Mar 17, 2011
feedfooterrss
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is ViperFeed Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 15yr ago
Risk Assessment

The plugin "viperfeed" v1.1 exhibits a generally positive security posture based on the provided static analysis. The absence of known CVEs and a clean vulnerability history are strong indicators of responsible development and maintenance. The plugin also demonstrates good practices by not exposing a significant attack surface through AJAX handlers, REST API routes, shortcodes, or cron events without proper checks, and all SQL queries utilize prepared statements. However, a critical concern arises from the fact that 100% of its 14 output operations are not properly escaped. This presents a significant risk for cross-site scripting (XSS) vulnerabilities, where malicious code could be injected and executed in the user's browser. The presence of one file operation also warrants attention, as without proper context, it's impossible to definitively rule out potential issues like arbitrary file reads or writes, although the lack of taint analysis findings in this area is reassuring.

Key Concerns

  • 100% of outputs unescaped (XSS risk)
  • File operations present
Vulnerabilities
None known

ViperFeed Security Vulnerabilities

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

ViperFeed Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
14
0 escaped
Nonce Checks
0
Capability Checks
1
File Operations
1
External Requests
0
Bundled Libraries
0

Output Escaping

0% escaped14 total outputs
Data Flows
All sanitized

Data Flow Analysis

2 flows
options_menu (ViperFeed.php:96)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

ViperFeed Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 3
actionactivate_ViperFeed/ViperFeed.phpViperFeed.php:148
actionadmin_menuViperFeed.php:149
filterthe_contentViperFeed.php:152
Maintenance & Trust

ViperFeed Maintenance & Trust

Maintenance Signals

WordPress version tested3.1.4
Last updatedMar 17, 2011
PHP min version
Downloads2K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

ViperFeed Developer Profile

viperchill

3 plugins · 30 total installs

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

How We Detect ViperFeed

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/viperfeed/breaker.php

HTML / DOM Fingerprints

Shortcode Output
<p><a href="http://bit.ly/viperfeed">Provided by ViperChill.</a></p>
FAQ

Frequently Asked Questions about ViperFeed