CVE-2026-32484: Deserialization of Untrusted Data in BoldGrid weForms
Deserialization of Untrusted Data vulnerability in BoldGrid weForms weforms allows Object Injection.This issue affects weForms: from n/a through <= 1.6.26.
AI Analysis
Technical Summary
CVE-2026-32484 is a security vulnerability classified as deserialization of untrusted data within the BoldGrid weForms plugin for WordPress, affecting versions up to and including 1.6.26. Deserialization vulnerabilities occur when an application deserializes data from untrusted sources without proper validation, enabling attackers to inject malicious objects. In this case, the vulnerability allows object injection, which can lead to remote code execution, privilege escalation, or other malicious activities depending on the payload crafted by the attacker. The vulnerability arises because the plugin processes serialized data inputs insecurely, trusting data that can be manipulated by external actors. No CVSS score has been assigned yet, and no public exploits have been reported, but the risk remains significant due to the nature of the vulnerability. The plugin is widely used in WordPress environments to create and manage forms, making many websites potentially vulnerable. Attackers could exploit this flaw by submitting specially crafted serialized data to the plugin, triggering unsafe deserialization and executing arbitrary code or commands on the server hosting the WordPress site. This could compromise the entire website, steal sensitive data, or disrupt service availability. The vulnerability was published on March 25, 2026, and the vendor has not yet released a patch or mitigation guidance, increasing the urgency for organizations to implement interim protective measures.
Potential Impact
The potential impact of CVE-2026-32484 is substantial for organizations running WordPress sites with the vulnerable weForms plugin. Exploitation could lead to remote code execution, allowing attackers to gain unauthorized access to web servers, modify or steal sensitive data, inject malware, or disrupt website availability. This can result in data breaches, defacement, loss of customer trust, regulatory penalties, and operational downtime. Since WordPress powers a significant portion of websites globally, the scope of affected systems is large. The vulnerability does not require authentication, lowering the barrier for attackers to exploit it remotely. The integrity and confidentiality of data handled by the affected websites are at high risk, and availability could also be compromised if attackers deploy destructive payloads. Organizations in sectors relying heavily on web presence, such as e-commerce, media, education, and government, face heightened risks. The absence of known exploits currently provides a window for proactive defense, but the vulnerability’s nature means it could be weaponized quickly once exploit code is developed.
Mitigation Recommendations
Organizations should immediately audit their WordPress installations to identify the presence of the weForms plugin and verify the version in use. Until an official patch is released, consider the following mitigations: 1) Disable or deactivate the weForms plugin if it is not critical to operations. 2) Restrict access to form submission endpoints using web application firewalls (WAFs) or IP whitelisting to limit exposure to untrusted inputs. 3) Implement input validation and sanitization at the web server or application firewall level to block suspicious serialized data patterns. 4) Monitor logs for unusual activity related to form submissions or deserialization errors. 5) Keep WordPress core and all plugins updated to the latest versions to reduce attack surface. 6) Prepare for rapid deployment of patches once the vendor releases an update addressing this vulnerability. 7) Conduct security awareness training for administrators to recognize signs of exploitation. 8) Employ runtime application self-protection (RASP) or endpoint detection and response (EDR) tools to detect and block exploitation attempts in real time.
Affected Countries
United States, United Kingdom, Germany, Canada, Australia, India, Brazil, France, Japan, Netherlands, Italy, Spain
CVE-2026-32484: Deserialization of Untrusted Data in BoldGrid weForms
Description
Deserialization of Untrusted Data vulnerability in BoldGrid weForms weforms allows Object Injection.This issue affects weForms: from n/a through <= 1.6.26.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-32484 is a security vulnerability classified as deserialization of untrusted data within the BoldGrid weForms plugin for WordPress, affecting versions up to and including 1.6.26. Deserialization vulnerabilities occur when an application deserializes data from untrusted sources without proper validation, enabling attackers to inject malicious objects. In this case, the vulnerability allows object injection, which can lead to remote code execution, privilege escalation, or other malicious activities depending on the payload crafted by the attacker. The vulnerability arises because the plugin processes serialized data inputs insecurely, trusting data that can be manipulated by external actors. No CVSS score has been assigned yet, and no public exploits have been reported, but the risk remains significant due to the nature of the vulnerability. The plugin is widely used in WordPress environments to create and manage forms, making many websites potentially vulnerable. Attackers could exploit this flaw by submitting specially crafted serialized data to the plugin, triggering unsafe deserialization and executing arbitrary code or commands on the server hosting the WordPress site. This could compromise the entire website, steal sensitive data, or disrupt service availability. The vulnerability was published on March 25, 2026, and the vendor has not yet released a patch or mitigation guidance, increasing the urgency for organizations to implement interim protective measures.
Potential Impact
The potential impact of CVE-2026-32484 is substantial for organizations running WordPress sites with the vulnerable weForms plugin. Exploitation could lead to remote code execution, allowing attackers to gain unauthorized access to web servers, modify or steal sensitive data, inject malware, or disrupt website availability. This can result in data breaches, defacement, loss of customer trust, regulatory penalties, and operational downtime. Since WordPress powers a significant portion of websites globally, the scope of affected systems is large. The vulnerability does not require authentication, lowering the barrier for attackers to exploit it remotely. The integrity and confidentiality of data handled by the affected websites are at high risk, and availability could also be compromised if attackers deploy destructive payloads. Organizations in sectors relying heavily on web presence, such as e-commerce, media, education, and government, face heightened risks. The absence of known exploits currently provides a window for proactive defense, but the vulnerability’s nature means it could be weaponized quickly once exploit code is developed.
Mitigation Recommendations
Organizations should immediately audit their WordPress installations to identify the presence of the weForms plugin and verify the version in use. Until an official patch is released, consider the following mitigations: 1) Disable or deactivate the weForms plugin if it is not critical to operations. 2) Restrict access to form submission endpoints using web application firewalls (WAFs) or IP whitelisting to limit exposure to untrusted inputs. 3) Implement input validation and sanitization at the web server or application firewall level to block suspicious serialized data patterns. 4) Monitor logs for unusual activity related to form submissions or deserialization errors. 5) Keep WordPress core and all plugins updated to the latest versions to reduce attack surface. 6) Prepare for rapid deployment of patches once the vendor releases an update addressing this vulnerability. 7) Conduct security awareness training for administrators to recognize signs of exploitation. 8) Employ runtime application self-protection (RASP) or endpoint detection and response (EDR) tools to detect and block exploitation attempts in real time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-03-12T11:11:55.347Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69c41179f4197a8e3b6d6936
Added to database: 3/25/2026, 4:46:49 PM
Last enriched: 3/25/2026, 5:35:20 PM
Last updated: 3/26/2026, 4:49:02 AM
Views: 8
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