Client-side template injection

Description

The application allows injecting malicious entries into a client-side command template. This vulnerability occurs when an attacker can use the template's template syntax to inject a malicious payload into a template, which is then executed on the client side.

Impact

• Generate dynamic client-side content. - Execution of unwanted code in the context of the user's browser. - Theft of sensitive information. - Manipulation of page content. - Malware propagation

Recommendation

Properly sanitize user-controlled inputs.

Threat

Authenticated attacker from the Internet.

Expected Remediation Time

⌚ minutes.

Score

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

Base

• Attack vector: N
• Attack complexity: L
• Privileges required: L
• User interaction: N
• Scope: C
• Confidentiality: L
• Integrity: N
• Availability: N

Temporal

• Exploit code madurity: P
• Remediation level: U
• Report confidence: C

Result

• Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:P/RL:U/RC:C
• Score:
  • Base: 5.0
  • Temporal: 4.7
• Severity:
  • Base: Medium
  • Temporal: Medium

Requirements

• 173.Discard unsafe inputs
• 176.Restrict system objects
• 265.Restrict access to critical processes
• 266.Disable insecure functionalities

Fixes

• Ruby

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