Threats Tagged 'cve-2026-15013'
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Threats Tagged 'cve-2026-15013'
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CVE-2026-15013: CWE-347 Improper Verification of Cryptographic Signature in cyberlord92 SAML Single Sign On – SSO LoginCVE-2026-15013 0 The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass via SAML Signature Algorithm Confusion in all versions up to, and including, 5.4.3. The vulnerability exists because `Mo_SAML_Utilities::mo_saml_cast_key()` reads the `SignatureMethod` Algorithm attribute directly from the attacker-controlled `SAMLResponse` parameter rather than enforcing the locally configured algorithm, causing the plugin to recast the IdP's RSA public key as an HMAC-SHA1 shared secret and validate the forged signature against it. This makes it possible for unauthenticated attackers to forge a SAML assertion targeting any WordPress account — including administrators — obtain valid WordPress authentication cookies, and achieve full administrator-level account takeover. Join the discussion | CVE Database V5 | 07/16/2026, 03:44:32 UTC Added: 07/16/2026, 04:33:07 UTC |
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