Add a guide on input validation

[wbamberg]

Adds a new guide page on input validation.

[github-actions]

Preview URLs (2 pages)

• /en-US/docs/Web/Security/Defenses/Input_validation
• /en-US/docs/Web/Security/Defenses

External URLs (9)

URL: /en-US/docs/Web/Security/Defenses/Input_validation
Title: Input validation

• https://cheatsheetseries.owasp.org/cheatsheets/File_Upload_Cheat_Sheet.html (2 times) (Note! This may be a new URL 👀)
• https://cheatsheetseries.owasp.org/cheatsheets/Input_Validation_Cheat_Sheet.html (1 time) (Note! This may be a new URL 👀)
• https://cheatsheetseries.owasp.org/cheatsheets/OS_Command_Injection_Defense_Cheat_Sheet.html (1 time) (Note! This may be a new URL 👀)
• https://cheatsheetseries.owasp.org/cheatsheets/SQL_Injection_Prevention_Cheat_Sheet.html (1 time) (Note! This may be a new URL 👀)
• https://docs.djangoproject.com/en/6.0/ref/validators/ (1 time) (Note! This may be a new URL 👀)
• https://github.com/validatorjs/validator.js (1 time) (Note! This may be a new URL 👀)
• https://json-schema.org/ (1 time) (Note! This may be a new URL 👀)
• https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS (1 time) (Note! This may be a new URL 👀)
• https://swagger.io/ (1 time) (Note! This may be a new URL 👀)

(comment last updated: 2026-05-29 02:47:33)