CVE-2026-57807: WordPress OAuth Single Sign On - SSO (OAuth Client) plugin <= 38.5.8 - Broken Authentication vulnerability
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.
Security readout for executives and security teams
Plain-English summary
CVE-2026-57807 is a critical authentication bypass in the WordPress OAuth Single Sign On - SSO (OAuth Client) plugin from miniOrange, affecting versions through 38.5.8. The report says it can allow password recovery exploitation, which could let an unauthenticated attacker compromise accounts. No cited source confirms active exploitation.
Executive priority
Treat this as urgent for any WordPress site using the affected plugin, especially customer portals, admin-heavy sites, or revenue-generating properties. Authentication bypass can lead to account takeover and site compromise. Prioritize inventory, version confirmation, and vendor remediation tracking today.
Technical view
The issue is classified as CWE-288, Authentication Bypass Using an Alternate Path or Channel. It affects miniOrange OAuth Single Sign On - SSO (OAuth Client) for WordPress through version 38.5.8. CVSS is 9.8 with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running the miniOrange OAuth/OIDC SSO client plugin at version 38.5.8 or earlier. Sites not using this plugin are not indicated as affected by the provided sources.
Exploitation context
The source describes password recovery exploitation through broken authentication. The CVE is not listed as KEV in the provided bundle, and no supplied source states active exploitation or provides public exploit confirmation.
Researcher notes
Evidence is sparse beyond the CVE/Patchstack entry. The affected range is stated as through 38.5.8, but the provided sources do not name a fixed version, workaround, exploit, or detailed attack path. Avoid assuming exploitability beyond the CVSS and stated password recovery exploitation.
Mitigation direction
Inventory WordPress sites for the miniOrange OAuth SSO/OIDC client plugin.
Identify plugin versions and prioritize any installation at 38.5.8 or earlier.
Check miniOrange and Patchstack guidance for a fixed version or official workaround.
Update promptly if a vendor-fixed version is available.
If no fix is available, consider disabling the plugin until vendor guidance is confirmed.
Validation and detection
Confirm whether the plugin slug matches the Patchstack/CVE affected plugin.
Record installed plugin versions across production, staging, and backups.
Review WordPress authentication and password recovery logs for unusual account recovery activity.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-288: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
0ADP providers
2Source links
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-288 · source CWE mapping
Authentication Bypass Using an Alternate Path or Channel
Authentication Bypass Using an Alternate Path or Channel represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.