Password Protection Bypass in Rank Math SEO Plugin for WordPress
CVE-2026-77782

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Rank Math Seo
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77782?

The Rank Math SEO WordPress plugin prior to version 1.0.277.1 lacks proper verification for password-protected posts. This oversight allows unauthorized users to access the content of such posts, resulting in unintentional exposure of sensitive information. This vulnerability creates significant security risks for sites that rely on password protection for confidential content.

Affected Version(s)

Rank Math SEO 0 < 1.0.277.1

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-2026-77782 - Proof of Concept

References

https://wpscan.com/vulnerability/e7a81d62-3fc7-4212-bd77-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
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

Project Black
WPScan
.