WordPress security by component

OAuth Single Sign On

Plugin description

OAuth Single Sign On enables WordPress users to sign in through supported OAuth identity providers.

OAuth Single Sign On (oauth-single-sign-on) is a WordPress plugin with 4 published CVE records in this archive. The latest tracked vulnerability was published Sep 02, 2026; the highest published CVSS base score is 8.1.

Plugin slug: oauth-single-sign-on

Latest vulnerability

CVE-2026-82183: OAuth Single Sign On permits arbitrary non-administrator login through Steam SSO

OAuth Single Sign On 6.25.0 through 7.0.0 does not verify the identity assertion returned by its Steam single-sign-on flow. An unauthenticated attacker can log in as an arbitrary non-administrator user or create a new account.

PublishedSep 02, 2026

Known safe version7.0.1

Published vulnerabilities for oauth-single-sign-on
		Safe version
Sep 02, 2026	CVE-2026-82183 OAuth Single Sign On permits arbitrary non-administrator login through Steam SSO OAuth Single Sign On 6.25.0 through 7.0.0 does not verify the identity assertion returned by its Steam single-sign-on flow. An unauthenticated attacker can log in as an arbitrary non-administrator user or create a new account.	7.0.1	CVE8.1 NVDPending
Mar 27, 2023	CVE-2023-1093 OAuth Single Sign On: Cross-site request forgery OAuth Single Sign On is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.	See mitigation notes	CVE6.5 NVD6.5
Mar 27, 2023	CVE-2023-1092 OAuth Single Sign On Free: Cross-site request forgery OAuth Single Sign On Free is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.	See mitigation notes	CVE6.5 NVD6.5
Jul 17, 2022	CVE-2022-2133 OAuth Single Sign On: A security weakness OAuth Single Sign On is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.	See mitigation notes	CVEPending NVD5.3

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