Active Probing & Surface
medium Severity
Free Check

Error Page Information Leakage

Triggers 404 and 500 error conditions to detect verbose stack traces, database error messages, or internal file paths.

Test Your Website for Error Page Information Leakage

Run this check along with 90+ automated tests across your domain.

Why It Matters

Raw stack traces reveal internal filesystem directories, database schemas, library versions, and coding bugs.

How We Check This

We send malformed requests and examine error responses for database exceptions, file system paths (/var/www, C:\), and stack frames.

How to Fix & Implement

Copy-paste configuration blocks tailored for your web server or edge proxy.

nginx snippet
error_page 404 /404.html;
error_page 500 502 503 504 /50x.html;

Frequently Asked Questions

Why are custom error pages important?

They ensure users receive a friendly message while preventing attackers from discovering server architecture details.