CVE-2026-77826 — HIGH (8.8)

Vulnerability Description

The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtain, or to create and log into a new account even when user registration is disabled.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-287

References

https://wpscan.com/vulnerability/b79a83e8-d7b0-4aa8-b2ba-37a7eecd437b/

FAQ

What is CVE-2026-77826?

CVE-2026-77826 is a vulnerability with a CVSS score of 8.8 (HIGH). The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attack...

How severe is CVE-2026-77826?

CVE-2026-77826 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-77826?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.