Access Control Flaw in YMC Filter WordPress Plugin by YMC
CVE-2026-10823

7.5HIGH

Key Information:

Vendor

WordPress
Status
Ymc Filter
Vendor
CVE Published:
26 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10823?

The YMC Filter WordPress plugin prior to version 3.11.3 suffers from a critical access control vulnerability. It fails to properly authorize requests to a REST API endpoint, allowing unauthorized users to exploit this flaw. Attackers can leverage this vulnerability to access and retrieve the titles and content of private, draft, and other non-public posts, potentially leading to data exposure and privacy violations.

Affected Version(s)

YMC Filter 0 < 3.11.3

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-2026-10823 - Proof of Concept

References

https://wpscan.com/vulnerability/b55ebf9e-a05d-4ae4-b653-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
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

Ahmed Hashim Ismael
WPScan
.