sales@hackhalt.com
Free Download

Home / Threats / CVE-2026-52705

SigmaForms Pro - Arbitrary File Upload (CVE-2026-52705)

CVE-2026-52705

Vulnerability CVE-2026-52705 PLUGIN sigmaforms-pro CRITICAL

Unauthenticated Arbitrary File Upload in SigmaForms Pro – AI Generated Forms

CVE-2026-52705

CRITICAL CVSS 9.0 Published 2026-06-17 Updated 2026-06-17
AI Risk Critical (90/100) 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:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Components 1
Reference Links 1
AI Risk Engine Critical (90/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-06-17 CVE published and first recorded in the threat feed.
  2. 2026-06-17 Record updated with latest vulnerability metadata.
  3. 2026-06-18 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 96 days ago

AI enriched 96 days ago (2026-06-18 10:54 UTC)

Technical Summary

Unauthenticated Arbitrary File Upload in SigmaForms Pro – AI Generated Forms

Potential Impact

Severity is CRITICAL (CVSS 9.0). 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 90/100 (Critical, High) with priority P1 Immediate. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

SigmaForms Pro PLUGIN · sigmaforms-pro Affected range not specified Fixed version not specified

References

What to do about this

Patch immediately Serious, and reachable without meaningful privilege.

Fix it

Update SigmaForms Pro to the latest available version.

Where the vendor has not published a fix yet, disable the plugin until they do.

Cannot update today? Request / payload inspection (WAF) in Hack Halt ProSecure blocks this class of attack before WordPress processes the request.

Inspect request parameters and bodies for injection, traversal and file-inclusion payloads, and refuse the request rather than logging it.

Compare Hack Halt plans Start free

Not sure if you are affected?

Scan your site to see whether it runs SigmaForms Pro, 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 SigmaForms Pro. No account is needed to exploit this, so a public site is reachable by anyone.

How do I fix it?

Update SigmaForms Pro to the latest available version. Where the vendor has not yet published a fix, remove or disable the plugin until they do. Until you can update, Request / payload inspection (WAF) in Hack Halt ProSecure contains this class of attack at the request layer.

What can an attacker actually do?

This is a Arbitrary File Upload flaw. An attacker who exploits it can place an executable file on the server and then run it.

WordPress security that blocks attacks before they land.

sales@hackhalt.com

Product

Resources

Company

© Hack Halt Inc. All rights reserved.