Authorization Flaw in Sync Post With Other Site Plugin for WordPress
CVE-2026-14923

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Sync Post With Other Site
Vendor
CVE Published:
30 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14923?

The Sync Post With Other Site plugin for WordPress prior to version 1.9.3 contains a serious flaw in its authorization mechanism on a REST route that manages post creation and updates. Due to an operator-precedence error, it fails to enforce proper page-editing capabilities, allowing authenticated users with limited permissions, such as Contributors, to create, publish, and modify content on pages. This could lead to unauthorized users overwriting posts, including those authored by users with higher privileges, thereby compromising content integrity and security within the WordPress environment.

Affected Version(s)

Sync Post With Other Site 0 < 1.9.3

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-2026-14923 - Proof of Concept

References

https://wpscan.com/vulnerability/cc635e60-f80e-4399-a016-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shikhali Jamalzade
WPScan
.