CVE-2025-11991

JetFormBuilder <= 3.5.3 - Missing Authorization to Unauthenticated Form Generation

Published Dec 16, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Description

The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the run_callback function in all versions up to, and including, 3.5.3. This makes it possible for unauthenticated attackers to generate forms using AI, consuming site's AI usage limits.

Analysis

Technical impact

The plugin has a missing capability check on the run_callback function, allowing any user, even unauthenticated visitors, to call the AI form generation endpoint. This permits the unauthorized creation of forms, causing the site to consume AI usage limits without permission. The vulnerability is a classic missing authorization flaw (CWE‑862) that enables unwanted data modification in the form builder system.

Affected Systems

JetFormBuilder plugins for WordPress released by Jet Monsters with versions up to and including 3.5.3 are affected, as the missing check exists in all those releases.

Risk and Exploitability

The CVSS score of 5.3 indicates moderate severity, while an EPSS score of less than 1 % shows a very low exploitation probability. The vulnerability is not listed in CISA's KEV catalog. Attackers would likely leverage unauthenticated HTTP requests to the AI form generation endpoint to create forms, draining the site's AI usage limits and potentially leading to denial of paid AI features, but the impact is limited to resource consumption rather than system compromise.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

jetmonsters

JetFormBuilder — Dynamic Blocks Form Builder

unaffected

Version	Status	Constraints
`0`	affected	≤ 3.5.3

No data.

Vendor	Product	Versions
Wordpress	Wordpress	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Upgrade JetFormBuilder to version 3.5.4 or later to remove the missing authorization check.
If an upgrade is not yet available, disable the AI form generation endpoint by removing or blocking its route in the plugin’s configuration.
Monitor the site’s AI usage statistics and enforce rate limits to detect and mitigate unauthorized form creation attempts.

Generated by OpenCVE AI on April 21, 2026 at 00:44 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.224% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.5.2.1/modules/ai/rest-api/endpoints/generate-form-endpoint.php#L26
https://www.wordfence.com/threat-intel/vulnerabilities/id/c08444ef-77bc-4e9d-8d94-04b90cc99ded?source=cve

History

Dec 16, 2025 10:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Dec 16, 2025 5:15 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Wordpress Wordpress wordpress
Vendors & Products		Wordpress Wordpress wordpress

Dec 16, 2025 7:30 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the run_callback function in all versions up to, and including, 3.5.3. This makes it possible for unauthenticated attackers to generate forms using AI, consuming site's AI usage limits.
Title		JetFormBuilder <= 3.5.3 - Missing Authorization to Unauthenticated Form Generation
Weaknesses		CWE-862
References		https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.5.2.1/modules/ai/rest-api/endpoints/generate-form-endpoint.php#L26 https://www.wordfence.com/threat-intel/vulnerabilities/id/c08444ef-77bc-4e9d-8d94-04b90cc99ded?source=cve
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}`