Authorization Bypass in Fastcache Plugin by Host.it for WordPress
CVE-2026-107763

4.3MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
17 October 2026

What is CVE-2026-107763?

The Fastcache plugin developed by Host.it for WordPress is susceptible to an authorization bypass vulnerability, affecting all versions up to and including 1.7.5. This flaw arises from the plugin's failure to adequately verify user permissions during action requests, which allows authenticated attackers with subscriber-level access or higher to manipulate and alter the site's essential .htaccess file. Such unauthorized changes can lead to potential exposure of sensitive data or disruption of website functionality.

Affected Version(s)

Fastcache by Host.it 0 <= 1.7.5

References

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.