CVE-2023-0291

critical

Description

The Quiz And Survey Master for WordPress is vulnerable to authorization bypass due to a missing capability check on the function associated with the qsm_remove_file_fd_question AJAX action in versions up to, and including, 8.0.8. This makes it possible for unauthenticated attackers to delete arbitrary media files.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/68110321-db1a-4634-98cd-0afd3ec933b8?source=cve

https://wordpress.org/plugins/quiz-master-next/

https://plugins.trac.wordpress.org/changeset/2834471/quiz-master-next

https://packetstormsecurity.com/files/171011/wpqsm808-xsrf.txt

Details

Source: Mitre, NVD

Published: 2023-06-09

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00165