WP OAuth Server < 4.2.2 - Admin+ Stored XSS
CVE-2022-3892

4.8MEDIUM

Key Information:

Vendor

Wordpress
Status
WP Oauth Server (oauth Authentication)
Vendor
CVE Published:
5 December 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-3892?

The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.2.2 does not sanitize and escape Client IDs, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

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Affected Version(s)

WP OAuth Server (OAuth Authentication) 0 < 4.2.2

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-2022-3892 - Proof of Concept

References

https://wpscan.com/vulnerability/33dddaec-a32a-4fce-89d6-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lana Codes
JSON
.