WP OAuth Server ( Login with WordPress ) <= 6.4.0 — Missing Authorization
CVE-2026-107433Published · Updated Action summary
Affected: ≤6.4.0Update to 6.5.0 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- No account needed
- Exploit prediction (EPSS)
- 0.3% chance in 30 days19th percentile
- CISA KEV
- Not listed
On this page8
Am I affected?
WP OAuth Server ( Login with WordPress ) miniorange-oauth-20-server
- Affected≤ 6.4.0
- Patched in6.5.0
Update to 6.5.0 or newer.
You are affected if you run ≤ 6.4.0. Version 6.5.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP OAuth Server ( Login with WordPress ).
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 6.5.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WP OAuth Server ( Login with WordPress ) to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to nguyen viet tin.
The WP OAuth Server ( Login with WordPress ) plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 6.4.0. This is due to a missing capability check on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in WP OAuth Server ( Login with WordPress )
All 5| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Authenticated (Subscriber+) Arbitrary User Identity Token Issuance to Privilege Escalation ≤6.3.0Update to 6.4.0 | CVE-2026-82843 | |
| Medium5.3 | Unauthenticated Information Exposure <6.3.1Update to 6.3.1 | CVE-2026-19715 | |
| High7.5 | Unauthenticated SQL Injection ≤6.2.0Update to 6.2.1 | CVE-2026-65520 | |
| Critical9.8 | Authentication Bypass ≤3.0.4Update to 4.0.1 | CVE-2022-34149 |
- High8.8Authenticated (Subscriber+) Arbitrary User Identity Token Issuance to Privilege Escalation
≤6.3.0Update to 6.4.0
- Medium5.3Unauthenticated Information Exposure
<6.3.1Update to 6.3.1
- High7.5Unauthenticated SQL Injection
≤6.2.0Update to 6.2.1
- Critical9.8Authentication Bypass
≤3.0.4Update to 4.0.1
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 5.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- EPSS
- Exploit Prediction Scoring System by FIRST.org.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.