Auto Featured Image < 3.9.16 - Author+ Arbitrary File Upload
CVE-2023-0477

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Auto Featured Image (auto Post Thumbnail)
Vendor
CVE Published:
13 March 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-0477?

The Auto Featured Image (Auto Post Thumbnail) plugin for WordPress introduces a risk by allowing users with Author privileges to upload arbitrary files through an insecure AJAX endpoint. This vulnerability arises due to improper validation of file extensions, permitting potentially malicious PHP files to be uploaded and executed on the server. This flaw emphasizes the need for stringent file validation mechanisms to safeguard against unauthorized access and potential exploitations within WordPress environments.

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Affected Version(s)

Auto Featured Image (Auto Post Thumbnail) 0 < 3.9.16

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-2023-0477 - Proof of Concept

References

https://wpscan.com/vulnerability/e5ef74a2-e04a-4a14-bd0e-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dc11
WPScan
JSON
.