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miniOrange 2FA - Security Vulnerability (CVE-2026-77770)

CVE-2026-77770

The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a validated transaction before deleting site options whose names come from unauthenticated request input, allowing any visitor to delete arbitrary options, which can lock every administrator out of the dashboard or deactivate every miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 on the site.

CVE-2026-77770

CRITICAL CVSS 10.0 Published 2026-09-10 Updated 2026-09-10
AI Risk Critical (98/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P1 Immediate
Severity Band CRITICAL
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Affected Components 1
Reference Links 1
AI Risk Engine Critical (98/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-09-10 CVE published and first recorded in the threat feed.
  2. 2026-09-10 Record updated with latest vulnerability metadata.
  3. 2026-09-10 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 34 days ago

AI enriched 34 days ago (2026-09-10 21:59 UTC)

Technical Summary

The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a validated transaction before deleting site options whose names come from unauthenticated request input, allowing any visitor to delete arbitrary options, which can lock every administrator out of the dashboard or deactivate every miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 on the site.

Potential Impact

Severity is CRITICAL (CVSS 10.0). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on low-bar exploit prerequisites.

Primary risk drivers: low-bar exploit prerequisites

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 98/100 (Critical, High) with priority P1 Immediate. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

miniOrange 2FA PLUGIN · miniorange-2fa Affected: < 6.3.1 Fixed in: 6.3.1

References

What to do about this

Patch immediately Serious, and reachable without meaningful privilege.

Fix it

Update miniOrange 2FA to 6.3.1 or later.

That is the complete fix. Everything below is what protects you in the meantime.

No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.

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Not sure if you are affected?

Scan your site to see whether it runs miniOrange 2FA, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

Scan my site free See what Hack Halt does

Am I affected by this vulnerability?

You are affected if your site runs miniOrange 2FA. Versions below 6.3.1 are vulnerable; that release and later are not. No account is needed to exploit this, so a public site is reachable by anyone.

How do I fix it?

Update miniOrange 2FA to version 6.3.1 or later. That is the complete fix.