CVE-2026-104759 WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) - Authentication Bypass

WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) <= 44.1 contains an authentication bypass caused by improper nonce validation in Id_Token_Service_Deprecated::process_openidconnect_token(), letting unauthenticated attackers replay valid id_tokens to authenticate as any user, exploit requires use_id_token_parser_v2 plugin option enabled.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
10 October 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to a version later than 44.1 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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