Medium severity · published Oct 14, 2026
CVE-2026-107433
WordPress WP OAuth Server plugin <= 6.4.0 - Broken Access Control vulnerability
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in miniOrange WP OAuth Server miniorange-oauth-20-server allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP OAuth Server: from n/a through 6.4.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WP OAuth Server · miniOrange
through 6.4.0 · source: vendor
Affected product
WO
WP OAuth Server
miniOrange
More from WP OAuth Server
9.8
CVE-2022-34149
Authentication Bypass vulnerability in miniOrange WP OAuth Server plugin <= 3.0.4 at WordPress
9.3
CVE-2026-65520
WordPress WP OAuth Server plugin <= 6.2.0 - SQL Injection vulnerability