Reverse tabnabbing
Description
The system allows the introduction of a link to an external site controlled by a malicious actor. This site can then redirect the user to a different site in the original tab, making it look like a legitimate redirect performed by the system.
Impact
Redirect to the user to an external site controlled by a malicious actor in the tab where original site was, leading to a phishing attack.
Recommendation
Set the attribute rel with the noopener and noreferrer value in each external link.
Threat
Anonymous attacker from local network.
Expected Remediation Time
⌚ 15 minutes.
Score
Default score using CVSS 3.1. It may change depending on the context of the src.
Base
- Attack vector: A
- Attack complexity: L
- Privileges required: N
- User interaction: R
- Scope: U
- Confidentiality: N
- Integrity: L
- Availability: N
Temporal
- Exploit code maturity: X
- Remediation level: O
- Report confidence: X
Result
- Vector string: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:X/RL:O/RC:X
- Score:
- Base: 3.5
- Temporal: 3.4
- 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: L
- Attack Requirements: N
- Privileges required: N
- User interaction: A
- Confidentiality (VC): N
- Integrity (VI): L
- Availability (VA): N
- Confidentiality (SC): N
- Integrity (SI): L
- Availability (SA): N
Threat 4.0
- Exploit maturity: X
Result 4.0
- Vector string: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X
- Score:
- CVSS-BT: 4.8
- Severity:
- CVSS-BT: Medium
Compliant code
The rel:noopener attribute is set in all external links of the application
<a href="uncontrolledUrl" rel="noopener noreferrer">Link to external web</a>
Non compliant code
Some external links are not securely set on the application
<a href="uncontrolledUrl">Link to external web</a>
Requirements
Fixes
