CVE-2022-3892

WP OAuth Server < 4.2.2 - Admin+ Stored XSS

MEDIUM
4.8
CVSS Score
Published: December 5, 2022 at 04:50 PM UTC
Updated: June 17, 2026 at 05:00 AM UTC
2 products affected across 2 vendorsWp Oauth ServerOauth Server

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 4.2.2
Affected range stops below 4.2.2, so it looks safe — our inference, not a vendor statement
Oauth Server· DASH10wordpress-plugin
60%
v < 4.2.2
Affected range stops below 4.2.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
https://wpscan.com/vulnerability/33dddaec-a32a-4fce-89d6-164565be13e1

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE

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