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| app.get('/', (req, res) => res.send('Hello World!')) | ||
| app.get('/demo/:id', (req, res) => { | ||
| res.send(`Hello Guest`) | ||
| eval('console.log("something", ' + req.params.id + ')') |
Check failure
Code scanning / CodeQL
Code injection
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Micro-Learning Topic: Code injection (Detected by phrase)
Matched on "Code injection"
Code injection happens when an application insecurely accepts input that is subsequently used in a dynamic code evaluation call. If insufficient validation or sanitisation is performed on the input, specially crafted inputs may be able to alter the syntax of the evaluated code and thus alter execution. In a worst case scenario, an attacker could run arbitrary code in the server context and thus perform almost any action on the application server.
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| app.get('/demo/:id', (req, res) => { | ||
| res.send(`Hello Guest`) | ||
| eval('console.log("something", ' + req.params.id + ')') | ||
| res.send(`Hello ${req.params.id}`) |
Check warning
Code scanning / CodeQL
Reflected cross-site scripting
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Micro-Learning Topic: Reflected cross-site scripting (Detected by phrase)
Matched on "Reflected cross-site scripting"
Reflected cross-site scripting vulnerabilities occur when unescaped input is displayed in the resulting page displayed to the user. When HTML or script is included in the input, it will be processed by a user's browser as HTML or script and can alter the appearance of the page or execute malicious scripts in their user context.
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Micro-Learning Topic: Cross-site scripting (Detected by phrase)
Matched on "cross-site scripting"
Cross-site scripting vulnerabilities occur when unescaped input is rendered into a page displayed to the user. When HTML or script is included in the input, it will be processed by a user's browser as HTML or script and can alter the appearance of the page or execute malicious scripts in their user context.
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