WordPress Insert PHP Plugin 4.7.0 PHP Code Injection via REST API
CVE-2017-20251

9.3CRITICAL

Key Information:

Vendor

WordPress
Status
Woody Code Snippets
Vendor
CVE Published:
9 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2017-20251?

WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by injecting malicious shortcodes through the WordPress REST API. Attackers can send POST requests to the wp-json/wp/v2/posts endpoint with crafted content containing insert_php shortcodes to include and execute remote PHP files on the server.

Affected Version(s)

Woody Code Snippets 0 < 3.3.1

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-2017-20251 - Proof of Concept

References

https://www.exploit-db.com/exploits/41308
exploit
https://fr.wordpress.org/plugins/insert-php/
product
https://www.vulncheck.com/advisories/wordpress-insert-php...
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

sucuri.net @sucurisecurity
.