CVE-2022-34858Network attack vector

Unauthenticated access via undisclosed SSO flaw

Published Aug 22, 2022 · Updated Apr 28, 2026

Authentication bypass in miniOrange OAuth Client Single Sign-On for WordPress 1.11.3 and earlier allows remote attackers to gain unauthorized access. Published sources do not identify the affected function or explain which SSO validation operation accepts untrusted authentication data. The flaw is reachable without authentication over the network, but the resulting WordPress role and permitted operations remain undisclosed.

CVSS severity9.8
Critical
EPSS probability1.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in miniOrange OAuth Client Single Sign-On for WordPress 1.11.3 and earlier allows remote attackers to gain unauthorized access. Published sources do not identify the affected function or explain which SSO validation operation accepts untrusted authentication data. The flaw is reachable without authentication over the network, but the resulting WordPress role and permitted operations remain undisclosed.

The record

CVE
CVE-2022-34858
Published
Aug 22, 2022
Updated
Apr 28, 2026
Vendor
miniOrange
Product
OAuth Client Single Sign-On for WordPress
Classifications
CWE-306, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 22, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=1.11.3 changes=[{"at":"1.11.4","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

miniOrange · OAuth Client Single Sign-On for WordPressversion=n/a <=1.11.3 changes=[{"at":"1.11.4","status":"unaffected"}]

Published CVSS scores

9.8PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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