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Bit Form <= 3.1.1 — Authenticated (Subscriber+) Arbitrary File Deletion via '_old' Parameter

CVE-2026-14372Published · Updated

Action summary

Affected: ≤3.1.1Update to 3.1.2 or newer

All remediation steps
Watch plugin
Severity
High7.1
CVSS
7.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:H Availability
High
Weakness
CWE-22 Path Traversal
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder bit-form

  1. Affected≤ 3.1.1
  2. Patched in3.1.2

Update to 3.1.2 or newer.

You are affected if you run ≤ 3.1.1. Version 3.1.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.1.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Athiwat Tiprasaharn (Jitlada), Itthidej Aramsri (Boeing777).

The Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the deleteFiles function in all versions up to, and including, 3.1.1 This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config).

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder

All 28
More vulnerabilities in Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder
SeverityVulnerabilityCVEPublished
Medium6.5Authenticated (Administrator+) SQL Injection via 'filterText' Parameter
≤3.2.0Update to 3.2.1
CVE-2026-16810
Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
<3.1.4Update to 3.1.4
CVE-2025-15669
Medium5.3Missing Authorization to Unauthenticated Unauthorized Form Submission
<3.1.2Update to 3.1.2
CVE-2026-15054
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.1.0Update to 3.2.0
CVE-2026-16573
Medium5.3Missing Authorization
≤3.0.0Update to 3.1.0
CVE-2026-13694

Same weakness (Path Traversal)

All Path Traversal
Other Path Traversal vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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