CVE-2021-24545 Information

Description

The WP HTML Author Bio WordPress plugin through 1.2.0 does not sanitise the HTML allowed in the Bio of users allowing them to use malicious JavaScript code which will be executed when anyone visit a post in the frontend made by such user. As a result user with a role as low as author could perform Cross-Site Scripting attacks against users which could potentially lead to privilege escalation when an admin view the related post/s.

CVSS Vector

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

Reference

https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4