Let's kill IE6 Security & Risk Analysis

wordpress.org/plugins/lets-kill-ie6

IE6用户提示用户升级浏览器。---灭掉IE6,我们在行动!

10 active installs v2.12 PHP + WP 3.0+ Updated Oct 7, 2014
browserieie6kill-ie6
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Let's kill IE6 Safe to Use in 2026?

Generally Safe

Score 85/100

Let's kill IE6 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 'lets-kill-ie6' v2.12 plugin exhibits a surprisingly robust security posture based on the provided static analysis. The absence of any identified AJAX handlers, REST API routes, shortcodes, or cron events significantly limits its attack surface, with no unprotected entry points detected. Furthermore, the code analysis reveals no dangerous functions, file operations, or external HTTP requests. The plugin also demonstrates good practice by exclusively using prepared statements for its SQL queries.

However, a critical concern arises from the complete lack of output escaping. With one output identified and none properly escaped, there is a substantial risk of cross-site scripting (XSS) vulnerabilities if the output is not handled carefully by the calling context or if the plugin's functionality later evolves to include user-supplied data in its output. The absence of nonce and capability checks also implies that any functionality, however limited, might be accessible without proper authorization, though the current minimal attack surface mitigates this immediate risk.

The vulnerability history is entirely clean, with no recorded CVEs. This indicates a history of responsible development or a lack of prior security scrutiny, but it does not negate the risks identified in the current code. In conclusion, while the plugin currently has a very small attack surface and good data handling for SQL, the lack of output escaping presents a significant and unaddressed security flaw that could be exploited.

Key Concerns

  • Output escaping is not implemented
  • No nonce checks implemented
  • No capability checks implemented
Vulnerabilities
None known

Let's kill IE6 Security Vulnerabilities

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

Let's kill IE6 Release Timeline

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

Let's kill IE6 Code Analysis

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

Output Escaping

0% escaped1 total outputs
Attack Surface

Let's kill IE6 Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 1
actionwp_headlets-kill-ie6.php:10
Maintenance & Trust

Let's kill IE6 Maintenance & Trust

Maintenance Signals

WordPress version tested4.0.38
Last updatedOct 7, 2014
PHP min version
Downloads3K

Community Trust

Rating100/100
Number of ratings1
Active installs10
Developer Profile

Let's kill IE6 Developer Profile

overtrue

4 plugins · 130 total installs

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

How We Detect Let's kill IE6

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/lets-kill-ie6/lets-kill-ie6.js
Script Paths
/wp-content/plugins/lets-kill-ie6/lets-kill-ie6.js
Version Parameters
lets-kill-ie6.js?ver=

HTML / DOM Fingerprints

JS Globals
killIE6ImgUrl
FAQ

Frequently Asked Questions about Let's kill IE6