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10 Common Security Vulnerabilities in Web Applications and How to Fix Them”


The ability for businesses to communicate with and transact with clients online is made possible by web applications, which are a crucial component of the current business landscape. Nevertheless, as online apps become more prevalent, security risks also rise. Cybercriminals and hackers are continuously trying to find ways to use holes in online applications to obtain confidential information or stop commercial activities.

In this article, we’ll talk about 10 typical web application security flaws and how to remedy them.

Injection Attacks:

Attackers who inject malicious code into an application’s input fields commit this kind of attack. Using parameterized queries and prepared statements is the most effective defence against injection attacks.

Cross-Site Scripting (XSS):

XSS attacks happen when a hacker inserts harmful scripts into a website, giving them access to user accounts or allowing them to steal sensitive data. Developers should employ output encoding and input validation to stop XSS attacks.

Broken Authentication and Session Management:

Unauthorized access to sensitive data might result from poor authentication and session management. Developers should impose session timeouts, utilize secure cookies, and employ strong passwords to thwart these kinds of assaults.

Insecure Direct Object References:

When an application permits direct access to objects without the necessary authentication or authorization, this vulnerability arises. The right access controls should be used by developers to prevent this kind of vulnerability.

Security Misconfiguration:

When an application is not configured securely, making it open to assaults, security misconfigurations happen. Developers should adhere to industry-recognized security procedures to avoid this.

Insufficient Cryptography:

Sensitive information may become accessible due to inadequate encryption. Developers should employ robust encryption techniques and key management procedures to avoid this.

Broken Access Controls:

When an application permits unauthorised access to sensitive data, a vulnerability arises. Developers should provide appropriate access controls to stop this.

Cross-Site Request Forgery (CSRF):

CSRF attacks happen when a user is tricked into submitting a form so that the attacker can act on their behalf. Developers should employ CSRF tokens to protect against CSRF attacks.

Using Components with Known Vulnerabilities:

Many web programmers rely on third-party components, some of which can be vulnerable. Developers should utilise only reputable components and maintain their programmer updated to avoid this.

Unvalidated Redirects and Forwards:

This flaw appears when a programme permits users to visit another page without doing adequate validation. Developers ought to employ a whitelist of authorised URLs to stop this.


In conclusion, web application security is essential for safeguarding confidential information and maintaining corporate operations. Developers may help keep their applications secure and fend off cyberattacks by being aware of and fixing these 10 typical vulnerabilities.

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