What’s Vulnerable › Vulnerabilities
CVE-2026-82183: OAuth Single Sign On 6.25.0 - 7.0.0 - Unauthenticated Account Takeover via Unverified Steam OpenID Assertion
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-03
- Weakness: CWE-287
Description
The OAuth Single Sign On WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts.
Affected products
- miniOrange OAuth Single Sign On – SSO (OAuth Client): from 6.25.0 before 7.0.1 — fixed in 7.0.1
How to fix
Upgrade to a fixed version: miniOrange OAuth Single Sign On – SSO (OAuth Client) 7.0.1. Check the vendor advisory for mitigations.
References
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