WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding
CVE-2022-3590

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
WordPress
Vendor
CVE Published:
14 December 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 89%

What is CVE-2022-3590?

WordPress is affected by an unauthenticated blind SSRF in the pingback feature. Because of a TOCTOU race condition between the validation checks and the HTTP request, attackers can reach internal hosts that are explicitly forbidden.

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Deploy the Patch

Affected Version(s)

WordPress 4.1.30 <= 6.1.1

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-2022-3590 - Proof of Concept

CVE-2022-3590-WordPress-Vulnerability-Scanner
Created by hxlxmjxbbxs

References

https://wpscan.com/vulnerability/c8814e6e-78b3-4f63-a1d3-...
exploitvdb-entrytechnical-description
https://blog.sonarsource.com/wordpress-core-unauthenticat...

EPSS Score

89% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thomas Chauchefoin
WPScan
JSON
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