What is the CVSS score of CVE-2023-0291?

CVE-2023-0291 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L. EPSS exploitation probability: 0.1%.

Is there a patch available for CVE-2023-0291?

Yes, a patch is available for CVE-2023-0291. Update the affected software to the latest version immediately.

Quiz And Survey Master CVE-2023-0291

HIGH

Missing Authorization (CWE-862)

2023-06-09 security@wordfence.com

Authentication Bypass WordPress Quiz And Survey Master

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

Patch released

Apr 08, 2026 - 18:22 nvd

Patch available

CVE Published

Jun 09, 2023 - 06:15 nvd

HIGH 7.2

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. 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. Affected products include: Expresstech Quiz And Survey Master.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.