Vulnerability · Published Jul 1, 2023 · Assigned by Wordfence
CVE-2021-4400Better Search <= 2.5.2 - Cross-Site Request Forgery Bypass
Medium 4.3
In plain English
A medium-severity cross-site request forgery in Better Search – Relevant search results for WordPress from ajay. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Official description
The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This is due to missing or incorrect nonce validation on the bsearch_process_settings_import() and bsearch_process_settings_export() functions. This makes it possible for unauthenticated attackers to import and export settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ajay | Better Search – Relevant search results for WordPress | 0 – through 2.5.2 |
Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7acbcf74-2bae-412b-bf9d-70287a91deea?source=cve
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2473344%40better-search&new=2473344%40better-search&sfp_email=&sfph_mail=