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CVE-2026-52705 BDthemes CVE debrief

CVE-2026-52705 is a critical vulnerability (CVSS Score: 9) in the SigmaForms Pro – AI Generated Forms plugin for WordPress, affecting versions up to and including 1.4.5. This vulnerability allows unauthenticated attackers to upload arbitrary files, potentially leading to remote code execution, data breaches, or other malicious activities. The vulnerability was published on June 17, 2026, and immediately gained attention due to its severity and potential impact. Users of the affected plugin are strongly advised to update to a patched version as soon as possible. The vulnerability is tracked under CWE-434, highlighting the risk of arbitrary code execution through file uploads.

Vendor
BDthemes
Product
SigmaForms Pro – AI Generated Forms
CVSS
CRITICAL 9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of WordPress sites utilizing the SigmaForms Pro – AI Generated Forms plugin, especially those with versions 1.4.5 or earlier, should be aware of this critical vulnerability. Immediate action is required to prevent potential exploitation.

Technical summary

The CVE-2026-52705 vulnerability in SigmaForms Pro – AI Generated Forms plugin versions <= 1.4.5 allows unauthenticated attackers to upload arbitrary files due to insufficient validation and sanitization of file uploads. This could lead to various malicious outcomes, including but not limited to, remote code execution, defacement of websites, or distribution of malware. The vulnerability's CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H, indicating a high severity level with a wide range of potential impacts.

Defensive priority

High

Recommended defensive actions

  • Immediately update the SigmaForms Pro – AI Generated Forms plugin to a version that fixes this vulnerability.
  • If an update is not available, consider temporarily disabling the plugin until a patch is released.
  • Review your WordPress site for any suspicious file uploads or activity.
  • Implement a Web Application Firewall (WAF) to detect and block suspicious file upload attempts.
  • Regularly monitor your site's security logs for any signs of exploitation.
  • Consider implementing additional security measures such as two-factor authentication and strict access controls.

Evidence notes

The information provided is based on data from official sources, including the CVE.org and NVD databases. The vulnerability details and severity assessment are derived from these trusted sources. However, the specific details about the vendor and affected products are limited, reflecting the information available at the time of publication.

Official resources

This debrief is based on publicly available information and is intended for general informational purposes only.