CVE-2021-4373 - CVE House

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Status published High CVE-2021-4373

Better Search <= 2.5.2 - Cross-Site Request Forgery to Settings Import

8.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Jerome Bruandet

References

More from ajay

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Knowledge Base <= 2.3.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Slug

Knowledge Base <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

WZ Followed Posts – Display what visitors are reading <= 3.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Better Search <= 2.5.2 - Cross-Site Request Forgery Bypass

Top 10 <= 2.9.4 - Cross-Site Request Forgery Bypass

Affected Vendor

ajay

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Affected Software

Better Search – Relevant search results for WordPress

Vulnerable Versions:

0

Timeline

Official Publish: June 7th, 2023

Last Modified: April 8th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1550 Use Alternate Authentication Material

Defense Evasion

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Privilege Escalation