Data Exposure in WordPress Plugin for Guest Posting
CVE-2026-1867

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
Guest Posting / Frontend Posting / Front Editor
Vendor
CVE Published:
11 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1867?

A vulnerability exists in the Guest Posting / Frontend Posting / Front Editor plugin for WordPress, specifically in versions prior to 5.0.6. This flaw allows an unauthenticated attacker to use a URL parameter to regenerate a .json file containing sensitive demo data, which could include the administrator's email address. If the administrator has modified the demo settings and enabled notifications, this data can be exported and downloaded by malicious actors.

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Deploy the Patch

Affected Version(s)

Guest posting / Frontend Posting / Front Editor 0 < 5.0.6

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-2026-1867 - Proof of Concept

References

https://wpscan.com/vulnerability/a78ebcd2-9355-4f4e-829e-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mike Gozdiskowski
WPScan
JSON
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