OS Command Injection Vulnerability in Wp2Fac by WordPress
CVE-2023-53872

9.3CRITICAL

Key Information:

Vendor

WP2fac

Status
WP2fac
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53872?

Wp2Fac version 1.0 is susceptible to an OS command injection vulnerability through the send.php endpoint. This flaw allows remote attackers to execute arbitrary system commands by injecting shell commands via the 'numara' parameter. By employing '&' operators, attackers can append malicious code, posing a significant risk to the system's integrity. Website administrators using Wp2Fac are advised to implement necessary security measures to mitigate this vulnerability.

Affected Version(s)

Wp2Fac 1.0

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-2023-53872 - Proof of Concept

References

https://www.exploit-db.com/exploits/51717
exploit
https://github.com/metinyesil/wp2fac
product
https://www.vulncheck.com/advisories/wpfac-os-command-inj...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmet Ümit BAYRAM
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CVE-2023-53872 : OS Command Injection Vulnerability in Wp2Fac by WordPress