OAuth client Single Sign On for WordPress < 3.0.4 - Unauthenticated Settings Update to Authentication Bypass
Priority HIGH 66CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Tampering
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287 and CWE-352.
Summary
The OAuth client Single Sign On WordPress plugin before 3.0.4 does not have authorisation and CSRF when updating its settings, which could allow unauthenticated attackers to update them and change the OAuth endpoints to ones they controls, allowing them to then be authenticated as admin if they know the correct email address
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00443 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed OAuth client Single Sign On for WordPress ( OAuth 2.0 SSO ) (Unknown): 3.0.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | OAuth client Single Sign On for WordPress ( OAuth 2.0 SSO ) | 3.0.4 to before 3.0.4 | 3.0.4 | Patch available | CNA |
- OAuth client Single Sign On for WordPress ( OAuth 2.0 SSO ) VendorUnknown Affected 3.0.4 to before 3.0.4 Fixed in 3.0.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oauth_client_single_sign_on_project:oauth_client_single_sign_on:*:*:*:*:*:wordpress:*:* | before 3.0.4 | Vulnerable | Oauth Client Single Sign On Project |
- cpe:2.3:a:oauth_client_single_sign_on_project:oauth_client_single_sign_on:*:*:*:*:*:wordpress:*:* Versions before 3.0.4 Vulnerable ·Oauth Client Single Sign On Project
Remediation
- Fix · CNA OAuth client Single Sign On for WordPress ( OAuth 2.0 SSO ) (Unknown) Fixed in 3.0.4
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3119
- 2026-10-03 Alias added: GHSA-wh77-xq95-gvgr
References
Sources
- CVE-2022-3119 · CVE Program
- CVE-2022-3119 · NVD
- FIRST EPSS
- GHSA-wh77-xq95-gvgr · GitHub Advisory Database · CC BY 4.0
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