Security review
Checks code or a design for common weaknesses.
Claude 'slash codes': Coding / Tech
Review the code below for security problems. Check input validation, authentication and authorisation, secrets in code, injection, unsafe file or network access, and error messages that leak information. For each finding give: the line, how it could be abused, how serious it is, and the fix. Say clearly which parts you could not assess from what I pasted. Code: [PASTE CODE]