User Controllable HTML Element Attribute (Potential XSS)
- Risk:
Informational
- Type:
- Passive
- CWE:
- 20
- Summary
- This check looks at user-supplied input in query string parameters and POST data to identify where certain HTML attribute values might be controlled. This provides hot-spot detection for XSS (cross-site scripting) that will require further review by a security analyst to determine exploitability.
- Solution
- Validate all input and sanitize output it before writing to any HTML attributes.
- Other info
- User-controlled HTML attribute values were found. Try injecting special characters to see if XSS might be possible. The page at the following URL: http://example.com/i.php?name=fred appears to include user input in: a(n) [img] tag [alt] attribute The user input found was: name=fred The user-controlled value was: pscanrules.usercontrolledhtmlattributes.