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Login With Phone Number - Denial of Service (CVE-2022-0593)

CVE-2022-0593

The Login with phone number WordPress plugin before 1.3.7 includes a file delete.php with no form of authentication or authorization checks placed in the plugin directory, allowing unauthenticated user to remotely delete the plugin files leading to a potential Denial of Service situation.

CVE-2022-0593

MEDIUM CVSS 6.5 Published 2022-03-14 Updated 2026-06-17
AI Risk Elevated (62/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P3 Priority
Severity Band MEDIUM
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected Components 1
Reference Links 2
AI Risk Engine Elevated (62/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2022-03-14 CVE published and first recorded in the threat feed.
  2. 2026-06-17 Record updated with latest vulnerability metadata.
  3. 2026-04-09 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 218 days ago

AI enriched 218 days ago (2026-04-09 07:49 UTC)

Technical Summary

The Login with phone number WordPress plugin before 1.3.7 includes a file delete.php with no form of authentication or authorization checks placed in the plugin directory, allowing unauthenticated user to remotely delete the plugin files leading to a potential Denial of Service situation.

Potential Impact

Severity is MEDIUM (CVSS 6.5). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Medium 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

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

References

What to do about this

Patch promptly The consequence is significant even where an attacker needs a foothold first.

Fix it

Update Login With Phone Number to 1.3.7 or later.

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

Cannot update today? Inbound firewall policies in Hack Halt Pro blocks this class of attack before WordPress processes the request.

Turn the inbound firewall to enforcing. In Observe mode requests are logged but never blocked, so the protection is reporting only.

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Not sure if you are affected?

Scan your site to see whether it runs Login With Phone Number, 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.

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Am I affected by this vulnerability?

You are affected if your site runs Login With Phone Number. Versions below 1.3.7 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 Login With Phone Number to version 1.3.7 or later. That is the complete fix. Until you can update, Inbound firewall policies in Hack Halt Pro contains this class of attack at the request layer.

What can an attacker actually do?

This is a Denial of Service flaw. An attacker who exploits it can exhaust the server's resources and take the site offline.