SQL Injection Vulnerability in 404 Redirection Manager Plugin for WordPress
CVE-2016-20071

8.8HIGH

Key Information:

Vendor

WordPress
Status
404 Redirection Manager
Vendor
CVE Published:
15 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2016-20071?

The 404 Redirection Manager plugin for WordPress version 1.0 is susceptible to an unauthenticated SQL injection vulnerability. This flaw enables remote attackers to exploit improperly sanitized user inputs, thereby injecting malicious SQL code through crafted GET requests. As a result, attackers can manipulate database queries and potentially extract sensitive information from the WordPress database, posing significant risks to website security.

Affected Version(s)

404 Redirection Manager 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-2016-20071 - Proof of Concept

References

https://www.exploit-db.com/exploits/40941
exploit
https://wordpress.org/plugins/404-redirection-manager/
product
https://www.vulncheck.com/advisories/wordpress-404-redire...
third-party-advisory

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
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

Ahmed Sherif (Deloitte)
.