Hidden fields manipulation

Description

It is possible to modify fields that are invisible to the regular user and cause undesired behaviors in the application.

Impact

Force unwanted actions in the application modifying resources which can not be accessible by user.

Recommendation

Send only fields that require users inputs in the requests, and control the rest from the server.

Threat

Authenticated attacker from the Internet.

Expected Remediation Time

⌚ 60 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the src.

Base

• Attack vector: A
• Attack complexity: H
• Privileges required: N
• User interaction: R
• Scope: U
• Confidentiality: N
• Integrity: L
• Availability: N

Temporal

• Exploit code maturity: X
• Remediation level: X
• Report confidence: X

Result

• Vector string: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:X/RL:X/RC:X
• Score:
  • Base: 2.6
  • Temporal: 2.6
• Severity:
  • Base: Low
  • Temporal: Low

Score 4.0

Default score using CVSS 4.0 . It may change depending on the context of the src.

Base 4.0

• Attack vector: A
• Attack complexity: H
• Attack Requirements: N
• Privileges required: N
• User interaction: A
• Confidentiality (VC): N
• Integrity (VI): L
• Availability (VA): N
• Confidentiality (SC): N
• Integrity (SI): N
• Availability (SA): N

Threat 4.0

• Exploit maturity: X

Result 4.0

• Vector string: CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
• Score:
  • CVSS-BT: 2.0
• Severity:
  • CVSS-BT: Low

Requirements

• 173.Discard unsafe inputs
• 320.Avoid client-side control enforcement

Fixes

• Go
• Java
• Python
• Scala
• TypeScript
• PHP
• Elixir
• Ruby
• C-Sharp

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