CVE-2018-1000088 Information

Description

Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in web view’s OAuth app form user authorization prompt web view that can result in Stored XSS on the OAuth Client’s name will cause users interacting with it will execute payload. This attack appear to be exploitable via The victim must be tricked to click an opaque link to the web view that runs the XSS payload. A malicious version virtually indistinguishable from a normal link.. This vulnerability appears to have been fixed in 4.2.6 4.3.0.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/doorkeeper-gem/doorkeeper/issues/969 https://github.com/doorkeeper-gem/doorkeeper/pull/970 https://github.com/doorkeeper-gem/doorkeeper/releases/tag/v4.3.0 https://github.com/rubysec/ruby-advisory-db/pull/328/files

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1