TI-2022-03794 Aliases CVE-2022-4148 GHSA-g4xc-c4g2-rhm3

WP OAuth Server < 4.3.0 - Subscriber+ Arbitrary Client Deletion

MEDIUM 53CWE-352Published 2023-03-20 · Updated 2025-02-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Tampering, Security bypass
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-352 and CWE-862.

Summary

The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.3.0 has a flawed CSRF and authorisation check when deleting a client, which could allow any authenticated users, such as subscriber to delete arbitrary client.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00262 18th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed WP OAuth Server (OAuth Authentication) (Unknown): 4.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	WP OAuth Server (OAuth Authentication)	before 4.3.0	4.3.0	Patch available	CNA

WP OAuth Server (OAuth Authentication) VendorUnknown Affected before 4.3.0 Fixed in 4.3.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dash10:oauth_server::::::wordpress::*	before 4.3.0	Vulnerable	Dash10

cpe:2.3:a:dash10:oauth_server:*:*:*:*:*:wordpress:*:* Versions before 4.3.0 Vulnerable ·Dash10

Remediation

Fix · CNA WP OAuth Server (OAuth Authentication) (Unknown) Fixed in 4.3.0

Timeline

2026-10-02 Threatist record created from CVE-2022-4148
2026-10-03 Alias added: GHSA-g4xc-c4g2-rhm3

References

Exploit 1

https://wpscan.com/vulnerability/be9b25c8-b0d7-4c22-81ff-e41650a4ed41

TI-2022-03571 WP OAuth Server < 4.2.5 - Arbitrary Post Deletion via CSRF CVSS 3.1MEDIUM 4.3
TI-2015-07812 The oauth2-provider plugin before 3.1.5 for WordPress has incorrect generation of random numbers. CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences