CVE-2021-24556 Information

Description

The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1 does not properly sanitise validate and escape the submitted subscribe_email and subscribe_name POST parameters inserting them in the DB and then outputting them back in the Subscriber list (/wp-admin/edit.php?post_type=kes_campaign&page=kento_email_subscriber_list_settings) leading a Stored XSS issue.

CVSS Vector

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

Reference

https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ https://wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8

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