CVE-2025-53990 HIGH

CVE-2025-53990: WordPress JetFormBuilder plugin <= 3.5.1.2 - PHP Object Injection Vulnerability

Vendor Jetmonsters

Product JetFormBuilder

Weakness CWE-502 · Unsafe deserialization

Published July 16, 2025

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in jetmonsters JetFormBuilder jetformbuilder allows Object Injection.This issue affects JetFormBuilder: from n/a through <= 3.5.1.2.

Explanation of Vulnerability in Simple Terms

02Summary

JetFormBuilder versions up to 3.5.1.2 contain a deserialization vulnerability that allows high-privileged users to execute arbitrary code on the site. An attacker with admin or equivalent access can craft malicious serialized data to trigger code execution. Update to version 3.6.3 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Run their own code on the site with full privileges.

Potential impact on your site

04Site Impact

A compromised admin account can lead to complete site takeover and data theft.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or equivalent access to the site.

Key dates

06Disclosure timeline

July 16, 2025 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-53990 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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