CVE-2021-24221 Information

Description

The Quiz And Survey Master – Best Quiz Exam and Survey Plugin for WordPress plugin before 7.1.12 did not sanitise the result_id GET parameter on pages with the [qsm_result] shortcode without id attribute concatenating it in a SQL statement and leading to an SQL injection. The lowest role allowed to use this shortcode in post or pages being author such user could gain unauthorised access to the DBMS. If the shortcode (without the id attribute) is embed on a public page or post then unauthenticated users could exploit the injection.

CVSS Vector

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

Reference

https://plugins.trac.wordpress.org/changeset/2479603/ https://wpscan.com/vulnerability/3b52b25c-82a1-41c7-83ac-92e244f7c5ab

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8