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Bricksforge CVE-2026-14956

| EUVDEUVD-2026-45123 CRITICAL
Improper Privilege Management (CWE-269)
2026-07-17 Wordfence GHSA-3h83-c8w5-cccx
9.8
CVSS 3.1 · Vendor: Wordfence
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Identify public Bricksforge Pro Forms registration form
  2. Delivery
    Craft request injecting role field into fieldIds
  3. Exploit
    Submit to registration action endpoint
  4. Execution
    Bypass field whitelist validation
  5. Persist
    Register new administrator account
  6. Impact
    Full WordPress site takeover

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires that the target site has a publicly accessible Bricksforge Pro Forms element configured with the User Registration action - this specific feature/configuration is the mandatory precondition and sites without such a form are not exploitable despite running a vulnerable version. Given that prerequisite, no authentication, user interaction, or special client state is needed: an unauthenticated remote attacker submits a single crafted request manipulating the fieldIds parameter. The limiting factor is therefore purely the presence and public exposure of a registration-enabled Pro Forms element, not any privilege or platform requirement.

Impact

This is a genuine high priority, not an inflated CVSS. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/C:H/I:H/A:H, 9.8) is internally consistent: fully remote, no authentication, no user interaction, and full site compromise via administrator takeover. The signals are unusually clean and mutually reinforcing - network reachable, low complexity, and total control of the target WordPress instance once an admin account is created. EPSS and CISA KEV data were not supplied in the input, so exploitation-probability and active-exploitation status are UNKNOWN rather than low - absence of data is not evidence of low risk. No POC was provided. The one meaningful limiting factor that does NOT appear in the CVSS score is a deployment prerequisite: the site must have a publicly accessible Pro Forms element configured with the User Registration action, so not every installation is exploitable even though every version is vulnerable.

Exploit ScenarioDerived

An attacker locates a WordPress site running Bricksforge with a public Pro Forms registration form, then submits a crafted registration request that adds a role/capabilities field ID to the fieldIds parameter and sets its value to administrator. The server accepts the manipulated whitelist and provisions a new administrator account, giving the unauthenticated attacker full control of the site. No public POC is referenced, but the low attack complexity means weaponization would be straightforward.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 17, 2026

Unauthenticated privilege escalation in the Bricksforge WordPress plugin (versions ≤ 3.1.8.6) lets remote attackers create a new administrator account by abusing the Pro Forms User Registration action. The plugin fails to validate the fieldIds parameter, so attacker-supplied field IDs are injected into the trusted form-field whitelist, enabling mass-assignment of a privileged role. No public exploit has been identified at time of analysis, but the flaw is trivially exploitable (CVSS 9.8) on any site exposing a Pro Forms registration element.

RemediationAI

Upgrade Bricksforge to a fixed release above 3.1.8.6 as published in the vendor changelog (https://bricksforge.io/version-changelog/); the input does not specify an exact patched version number, so treat this as 'Patch available per vendor advisory' and confirm the fixed build against the changelog before deploying. As an immediate compensating control until patched, unpublish or remove any public Bricksforge Pro Forms element that uses the User Registration action - this fully closes the attack surface but disables self-service registration on affected forms. Where registration must remain available, restrict access to those form endpoints (for example gate the page behind authentication or IP allow-listing) and audit existing WordPress users for unexpected administrator accounts created recently, since exploitation results in a rogue admin. Review the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/d0538778-5ba4-4bec-a89d-ef90a9ba8375) for detection guidance.

Affected VersionsENISA

Bricksforge 0 ≤3.1.8.6

Affected Packages

euvd bricksforge no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Bricksforge is a commercial add-on for the Bricks visual site builder on WordPress, providing 'Pro Forms' - advanced form elements including a User Registration action that maps submitted form fields to WordPress user meta and account properties. The root cause is CWE-269 (Improper Privilege Management): the registration handler trusts a client-supplied fieldIds parameter to determine which fields are permitted, effectively letting the attacker extend the server-side allowlist. Because WordPress user creation maps arbitrary meta/role fields, an attacker can add the wp_capabilities / role field to the whitelist and set it to 'administrator' during self-registration - a classic mass-assignment via broken authorization. The affected component is identified by CPE cpe:2.3:a:bricksforge:bricksforge:*:*:*:*:*:*:*:* covering all versions through 3.1.8.6.

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Severity by source

Vendor (Wordfence) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 9.8 CRITICAL

Remote, unauthenticated, single-request administrator creation with no user interaction yields AV:N/AC:L/PR:N/UI:N and full C/I/A impact; the public-form prerequisite is a config precondition, not attack complexity.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

The Bricksforge plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.1.8.6. This is due to improper validation of the fieldIds parameter in the Pro Forms registration action, which allows attacker-supplied field IDs to be added to the trusted form-field whitelist. This makes it possible for unauthenticated attackers to register a new administrator account by submitting a crafted request to a publicly accessible Bricksforge Pro Forms registration form. Successful exploitation requires that the site has a public Bricksforge Pro Forms element configured with the User Registration action.

Executive ViewAI

Why It Matters

The Bricksforge WordPress plugin (versions 3.1.8.6 and below) allows unauthenticated remote attackers to create administrator accounts on affected websites, providing complete unauthorized access. This vulnerability poses an immediate and severe risk to any organization running WordPress sites with this plugin installed. Attackers could steal sensitive data, inject malicious code, or disrupt operations across affected web properties.

Business Impact: Severe
Compensating Controls

Immediately disable Pro Forms User Registration through plugin settings or deactivate the plugin entirely. Implement Web Application Firewall rules to block malicious registration requests. Restrict access to registration forms using IP whitelisting or geofencing. Enable real-time alerts for administrator account creation. Implement mandatory two-factor authentication for all WordPress administrators. Switch to manual user account provisioning through the WordPress admin panel.

Threat Intelligence Overview

EPSS Score
0.4%
Top 73% exploitable
Prevalence
Medium
commercial Bricks builder add-on; common but not ubiquitous WordPress plugin
Social Media
2
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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