{"id":12847,"date":"2026-11-04T15:17:51","date_gmt":"2026-11-04T15:17:51","guid":{"rendered":"https:\/\/unitconversion.io\/blog\/?p=12847"},"modified":"2026-11-04T15:33:28","modified_gmt":"2026-11-04T15:33:28","slug":"what-is-an-injection-attack-sql-injection-vs-command-injection-vs-cross-site-scripting","status":"publish","type":"post","link":"https:\/\/unitconversion.io\/blog\/what-is-an-injection-attack-sql-injection-vs-command-injection-vs-cross-site-scripting\/","title":{"rendered":"What Is an Injection Attack? SQL Injection vs Command Injection vs Cross-Site Scripting"},"content":{"rendered":"

An injection attack happens when untrusted input is treated as code.<\/strong> That is the core risk. A search box, login form, URL parameter, API field, or file upload can become a doorway if the app sends that input to a database, operating system, or browser without safe handling. OWASP still lists injection as a major web application risk, which says a lot about how common and stubborn this problem is [source: OWASP]<\/a>.<\/p>\n

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TLDR:<\/strong> Injection attacks turn user input into commands the system runs. SQL injection<\/strong> targets databases, command injection<\/strong> targets the server\u2019s operating system, and cross-site scripting<\/strong> targets other users\u2019 browsers. For example, a fake login value like ‘ OR ‘1’=’1<\/em> may trick a weak SQL query into accepting a login. In a 10,000-user app, even a 1% account exposure means 100 real people may be affected.<\/p>\n<\/div>\n\"\"\n

What Makes Injection Attacks So Dangerous?<\/h2>\n

Injection attacks are dangerous because they often hide inside normal traffic. A request may look like a regular form submission. Behind that, the attacker is testing special characters, script tags, shell operators, or database logic.<\/p>\n

The damage can be severe. Attackers may steal customer records, change prices, create admin users, read server files, or run commands on the host. Sometimes the first attack is small. Then it becomes a foothold for a larger breach. Honestly, it feels like many teams lose hours chasing \u201cweird input bugs\u201d that were really injection probes all along.<\/p>\n

SQL Injection<\/h2>\n

SQL injection<\/strong> happens when user input is placed inside a database query without proper protection. SQL is the language used by many databases. If input is mixed into a query as raw text, an attacker can change what the query does.<\/p>\n

A weak login query may look like this in plain terms:<\/p>\n