Missing Authentication Vulnerability in Chartify Plugin for WordPress
CVE-2025-11171

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Chartify – WordPress Chart Plugin
Vendor
CVE Published:
8 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11171?

The Chartify plugin for WordPress has a security flaw whereby unauthenticated attackers can exploit an AJAX action without proper authentication or capability checks. This oversight allows malicious users to invoke administrative functions through the wp-admin/admin-ajax.php endpoint simply by knowing the callable method names. All versions up to and including 3.5.9 of the plugin are impacted, making it imperative for users to patch their installations to prevent unauthorized access.

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Deploy the Patch

Affected Version(s)

Chartify – WordPress Chart Plugin * <= 3.5.9

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-2025-11171---GitHub-Security-Advisory
Created by SnailSploit

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/chart-builder/...
https://plugins.trac.wordpress.org/browser/chart-builder/...

CVSS V3.1

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

Avraham Shemesh
Kai Aizen
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