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Security
Detected a template variable used in an anchor tag with the ‘href’ attribute. This allows a malicious actor to input the ‘javascript:’ URI and is subject to cross- site scripting (XSS) attacks. If using Flask, use ‘url_for()’ to safely generate a URL. If using Django, use the ‘url’ filter to safely generate a URL. If using Mustache, use a URL encoding library, or prepend a slash ’/’ to the variable for relative links (href="/{{link}}"). You may also consider setting the Content Security Policy (CSP) header.
Likelihood: LOW
Confidence: LOW
CWE:
- CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
OWASP:
- A07:2017 - Cross-Site Scripting (XSS)
- A03:2021 - Injection
Detected a unquoted template variable as an attribute. If unquoted, a malicious actor could inject custom JavaScript handlers. To fix this, add quotes around the template expression, like this: "".
Likelihood: LOW
Confidence: LOW
CWE:
- CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
OWASP:
- A07:2017 - Cross-Site Scripting (XSS)
- A03:2021 - Injection
Detected a template variable used in a script tag. Although template variables are HTML escaped, HTML escaping does not always prevent cross-site scripting (XSS) attacks when used directly in JavaScript. If you need this data on the rendered page, consider placing it in the HTML portion (outside of a script tag). Alternatively, use a JavaScript-specific encoder, such as the one available in OWASP ESAPI. For Django, you may also consider using the ‘json_script’ template tag and retrieving the data in your script by using the element ID (e.g., document.getElementById).
Likelihood: LOW
Confidence: LOW
CWE:
- CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
OWASP:
- A07:2017 - Cross-Site Scripting (XSS)
- A03:2021 - Injection
Detected a template variable used as the ‘src’ in a script tag. Although template variables are HTML escaped, HTML escaping does not always prevent malicious URLs from being injected and could results in a cross-site scripting (XSS) vulnerability. Prefer not to dynamically generate the ‘src’ attribute and use static URLs instead. If you must do this, carefully check URLs against an allowlist and be sure to URL-encode the result.
Likelihood: LOW
Confidence: LOW
CWE:
- CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)
OWASP:
- A07:2017 - Cross-Site Scripting (XSS)
- A03:2021 - Injection