What harm can be caused by file inclusion vulnerabilities?

Possible harm caused by file containing vulnerabilities are: 1. The files of the web server are browsed by the outside world, resulting in information leakage; 2. The script is arbitrarily executed, resulting in the website being tampered with. File inclusion vulnerabilities are a common vulnerability affecting web applications that rely on scripts to run.

File inclusion vulnerability

File inclusion vulnerability is a common vulnerability that affects web applications that relies on scripts to run. .

Many scripting languages ​​support the use of include files. This feature allows developers to insert usable code into a single file and include them in code for special functions when needed. The code in the included file is then interpreted as if they were inserted into the location of the containing instructions, which is when the application uses attacker-controlled variables to establish a path to executable code, allowing the attacker to execute that file at runtime. Will cause the file to contain vulnerabilities.

Hazards:

1. The files of the web server are browsed by the outside world, resulting in information leakage;

2. The script is arbitrarily executed. Typical impacts are as follows:

• Tamper with the website;

• Perform illegal operations;

• Attack other websites;

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