WP Limit Login Attempts <= 2.6.4 - IP Spoofing
CVE-2022-4303

7.5HIGH

Key Information:

Vendor

Wordpress
Status
WP Limit Login Attempts
Vendor
CVE Published:
23 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4303?

The WP Limit Login Attempts plugin for WordPress, up to version 2.6.4, has a significant security flaw that allows attackers to bypass IP-based login restrictions. The plugin prioritizes IP information from HTTP headers over the PHP REMOTE_ADDR variable, enabling malicious actors to exploit this behavior and gain unauthorized access. This vulnerability highlights the importance of securing login access against IP spoofing tactics.

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Affected Version(s)

WP Limit Login Attempts 0 <= 2.6.4

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-2022-4303 - Proof of Concept

References

https://wpscan.com/vulnerability/8428a5e1-dbef-4516-983f-...
exploitvdb-entrytechnical-description

CVSS V3.1

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

Daniel Ruf
WPScan
JSON
.