CVE•Published 2023-06-07•Modified 2026-04-08•1 article on news•6 live references•NVD data

CVE-2021-4373Webberzone · Better_search

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 67% of all CVEs

Weaknesses (CWE)

CWE-288Authentication Bypass Using an Alternate Path or Channel CWE-352Cross-Site Request Forgery (CSRF)

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.

Timeline

Published 2023-06-07

Modified 2026-04-08

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2021-4373

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/better-search/"

Matches any site loading the "better-search" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Webberzone Better Search"

All exposed Webberzone Better Search instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Better Search"

HTTP body or banner mentions "Better Search" — catches deploys Shodan didn't identify as a product.