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8.1 High

CVE-2026-82842 The SAML Single Sign On WordPress plugin before 6.0.0 does not honour the configured criterion for linking an…

Description

The SAML Single Sign On WordPress plugin before 6.0.0 does not honour the configured criterion for linking an incoming single sign-on identity to a WordPress account, always resolving the identity by login name whatever the site has chosen, which allows an attacker who can have the site's identity provider assert a login name of their choosing to authenticate as any account, including an administrator, without proving ownership of that account.

Affected products and versions

Product Affected versions Fixed in
SAML Single Sign On 4.8 4.8.43 → < 6.0.0 6.0.0

Other CVEs of SAML Single Sign On

The 2 CVEs of SAML Single Sign On →
CVE-2026-19842 The SAML Single Sign On WordPress plugin before 5.4.7 does not verify the signature of a SAML response before storing… 8.8 High
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