CVE-2021-4373
Published: 07 June 2023
Summary
CVE-2021-4373 is a high-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability in Webberzone Better Search. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 37.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-34200
Vulnerability details
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…
more
performing an action such as clicking on a link.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Authorizing remote access reduces the ability to bypass authentication via unauthorized alternate remote channels.
Users can identify logons via alternate paths or channels by reviewing the previous logon time.
Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.
Adaptive requirements can apply across access paths, reducing the ability to bypass authentication via alternate channels or paths.
Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.
Centralized IdPs close alternate authentication paths that enable bypass.
Enforces authentication for non-organizational users, making it harder to bypass via alternate paths or channels.
Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.