What is the CVSS score of CVE-2021-4373?

CVE-2021-4373 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2021-4373?

Yes, a public proof-of-concept exploit is available for CVE-2021-4373. Prioritise patching immediately. EPSS: 0.1%.

Is there a patch available for CVE-2021-4373?

Yes, a patch is available for CVE-2021-4373. Update the affected software to the latest version immediately.

Better Search CVE-2021-4373

HIGH

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2023-06-07 security@wordfence.com

CSRF WordPress Better Search

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Apr 08, 2026 - 19:38 nvd

Patch available

PoC Detected

Apr 08, 2026 - 19:17 vuln.today

Public exploit code

CVE Published

Jun 07, 2023 - 02:15 nvd

HIGH 8.8

DescriptionCVE.org

The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This makes it possible for unauthenticated attackers to import settings via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

AnalysisAI

The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-288. The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This makes it possible for unauthenticated attackers to import settings via forged request granted they can trick a site administrator into performing an action such as clicking on a link. Affected products include: Webberzone Better Search.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.