Client-side template injection

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

⌚ 1440 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 maturity: 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

Score 4.0

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

Base 4.0

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

Threat 4.0

  • Exploit maturity: P

Result 4.0

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L/E:P
  • Score:
    • CVSS-BT: 2.1
  • Severity:
    • CVSS-BT: Low

Requirements

Fixes

Free trial message
Free trial
Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.