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.
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.
Set the attribute rel with the noopener value in each external link.
Anonymous attacker from local network.
Expected Remediation Time
⌚ 15 minutes.
Default score using CVSS 3.1. It may change depending on the context of the vulnerability.
- Attack vector: N
- Attack complexity: L
- Privileges required: N
- User interaction: R
- Scope: U
- Confidentiality: N
- Integrity: L
- Availability: N
- Exploit code madurity: X
- Remediation level: O
- Report confidence: X
- Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:X/RL:O/RC:X
- Base: 4.3
- Temporal: 4.1
- Base: Medium
- Temporal: Medium
The rel:noopener attribute is set in all external links of the application
<a href="uncontrolledUrl" rel="noopener">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>