OAuth Single Sign On <= 7.0.0 — Unauthenticated Arbitrary User Account Takeover
CVE-2026-82183Published · Updated Action summary
Affected: ≤7.0.0Update to 7.0.1 or newer
All remediation steps- Severity
- High7.3
- CVSS
- 7.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:LConfidentiality- Low
I:LIntegrity- Low
A:LAvailability- Low
- Weakness
- CWE-287 Improper Authentication
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
OAuth Single Sign On – SSO (OAuth Client) miniorange-login-with-eve-online-google-facebook
- Affected≤ 7.0.0
- Patched in7.0.1
Update to 7.0.1 or newer.
You are affected if you run ≤ 7.0.0. Version 7.0.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under OAuth Single Sign On – SSO (OAuth Client).
- 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 7.0.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch OAuth Single Sign On – SSO (OAuth Client) to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Pedro Pinho.
The OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress is vulnerable to account takeover in all versions up to, and including, 7.0.0. This is due to a lack of identify verification. This makes it possible for unauthenticated attackers to takeover non-admin user accounts.
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 OAuth Single Sign On – SSO (OAuth Client)
All 14| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Critical9.8 | Unauthenticated Privilege Escalation ≤7.1.3Update to 7.1.4 | CVE-2026-120844 | |
| Medium5.3 | Unauthenticated Authentication Bypass ≤7.1.2Update to 7.1.3 | CVE-2026-97274 | |
| Medium5.3 | Missing Authorization ≤7.0.0Update to 7.0.1 | CVE-2026-28008 | |
| Medium5.3 | Missing Authorization ≤6.26.14Update to 6.26.15 | CVE-2025-10753 | |
| Critical9.8 | Authentication Bypass via get_resource_owner_from_id_token() ≤6.26.12Update to 6.26.13 | CVE-2025-9485 |
- Critical9.8Unauthenticated Privilege Escalation
≤7.1.3Update to 7.1.4
- Medium5.3Unauthenticated Authentication Bypass
≤7.1.2Update to 7.1.3
- Medium5.3Missing Authorization
≤7.0.0Update to 7.0.1
- Medium5.3Missing Authorization
≤6.26.14Update to 6.26.15
- Critical9.8Authentication Bypass via get_resource_owner_from_id_token()
≤6.26.12Update to 6.26.13
Timeline
CVE published
Severity high, CVSS 7.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. 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.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.