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CVE-2021-23435

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CVE-2021-23435

Published: Sep 12, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

7.6

HIGH

Description

This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).

VendorProductVersions

n/a

clearance

affected
unspecified - < 2.5.0

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

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