CVE-2021-33851 Information

Description

A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user’s browser and can use an application as the vehicle for the attack. The XSS payload given in the \Custom logo link\ executes whenever the user opens the Settings Page of the \Customize Login Image\ Plugin.

CVSS Vector

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

Reference

https://cybersecurityworks.com/zerodays/cve-2021-33851-stored-cross-site-scripting-in-wordpress-customize-login-image.html

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