Improper Authentication in WP Social Media Login Plugin by WordPress
CVE-2026-77000

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
WP Social Media Login
Vendor
CVE Published:
22 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77000?

The WP Social Media Login plugin for WordPress, up to version 1.0.6, contains a vulnerability where it fails to properly verify social logins from identity providers. This flaw permits unauthorized users to bypass authentication and log in as any existing user by merely providing the email address, thereby posing significant security risks to site administrators and users alike.

Affected Version(s)

WP Social Media Login 0 <= 1.0.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-77000 - Proof of Concept

References

https://wpscan.com/vulnerability/3051dece-7ecb-4911-bf13-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Khaled Alenazi (Nxploited)
WPScan
.