The SAML Single Sign On SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mo_saml_validate_signature() function performing a loose bool…
| CVE ID | CVE-2026-15981 |
| Vendor | Unknown Vendor |
| Affected Product | Unknown Product |
| Vulnerability Type | Vulnerability |
| CVSS Score | 9.8 (CRITICAL) |
| EPSS Score | 0.5% probability of exploitation in the next 30 days |
| Actively Exploited | ❌ No known exploitation |
| Patch Status | Pending Vendor Disclosure |
| Reported By | CYBERDUDEBIVASH SENTINEL APEX Intelligence (via sentinel_apex) |
The SAML Single Sign On SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mo_saml_validate_signature() function performing a loose boolean check on the raw tri-state integer returned by PHP's open... [Full analysis available on Pro]
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