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CVE-2026-57807— WordPress OAuth Single Sign On - SSO (OAuth Client) plugin <= 38.5.8 - Broken Authentication vulnerability

Quick assessment

Affected
miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

miniorange oauth single sign on是miniorange公司开源的一款实现OAuth单点登录的WordPress插件。 miniorange oauth single sign on 38.5.8及之前版本存在授权问题漏洞，该漏洞源于使用替代路径或通道绕过身份验证，可能导致密码恢复利用。

CVSS 9.8 · Critical EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client) n/a≤ 38.5.8 affected
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I. Basic Information for CVE-2026-57807

Vulnerability Information
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Vulnerability Title
WordPress OAuth Single Sign On - SSO (OAuth Client) plugin <= 38.5.8 - Broken Authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client) allows Password Recovery Exploitation. This issue affects OAuth Single Sign On - SSO (OAuth Client): from n/a through 38.5.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
miniorange oauth single sign on 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
miniorange oauth single sign on是miniorange公司开源的一款实现OAuth单点登录的WordPress插件。 miniorange oauth single sign on 38.5.8及之前版本存在授权问题漏洞，该漏洞源于使用替代路径或通道绕过身份验证，可能导致密码恢复利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO (OAuth Client) n/a ~ 38.5.8 -

II. Public POCs for CVE-2026-57807

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III. Intelligence Information for CVE-2026-57807

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Patches & Fixes for CVE-2026-57807 (1)

IV. Related Vulnerabilities

Same weakness: CWE-288

V. Comments for CVE-2026-57807

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