Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-39591WordPress WP-BusinessDirectory plugin <= 4.0.0 - Arbitrary File Upload vulnerability
Critical 9.9
In plain English
A critical-severity unrestricted file upload in WP-BusinessDirectory from CMSJunkie – WordPress Business Directory Plugins. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.5%top 59.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Subscriber Arbitrary File Upload in WP-BusinessDirectory <= 4.0.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CMSJunkie – WordPress Business Directory Plugins | WP-BusinessDirectory | n/a – through 4.0.0 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H