CVE-2026-14372 - The Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for Word
CVE-2026-14372 + The Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for Word + High + 2026-07-09
One-sentence business risk
Attackers can turn a normal application path into code execution, making this a direct production-host takeover risk.
Research notes
- Root cause: 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 includi.
- Affected versions: bitpressadmin Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder: 0 to < 3.1.1.
- Fixed / safe versions: Vendor-fixed release or mitigation named by the upstream advisory.
- Public exploit / PoC signal: the consulted NVD/GHSA/vendor sources describe the trigger class; treat it as reproducible until patched.
- CVSS: 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
Exact vulnerable code pattern
update_or_read(request.body.target_id) # no owner/role check
Fixed / mitigated code pattern
target = load_owned_resource(actor, target_id); require_role(actor, target, "admin")
Dependency or runtime update:
composer show invoice-generator || true
composer require invoice-generator --with-all-dependencies
composer audit
Step-by-step integration guide
- Inventory
invoice-generatoracross source, lockfiles, SBOMs, container images, CI images, and deployment manifests. - Upgrade to
Vendor-fixed release or mitigation named by the upstream advisoryor apply the exact vendor patch referenced below. - Replace the vulnerable
authzpattern with the fixed pattern and fail closed on malformed input. - Add a regression test that exercises the advisory trigger and proves the request is rejected, bounded, or authorized.
- Deploy through canary, monitor security logs and resource metrics, then remove temporary edge blocks only after all runtimes are fixed.
Alternative mitigations
- Disable the vulnerable feature path while the package/runtime update rolls out.
- Add WAF or reverse-proxy rules for traversal tokens, prototype-polluting keys, oversized frames, shell metacharacters, or unauthenticated tool calls matching the trigger class.
- Restrict internal egress, rotate exposed secrets, and revoke affected tokens/keys if the vulnerability can disclose config, logs, JWT secrets, proxy credentials, or PKI material.
- For admin/API authorization issues, temporarily require elevated roles and explicit ownership checks at the gateway.
Detection signature
id: cve-2026-14372-the-bit-form-contact-form-payment-forms-multi-st
source: "MITRE CVE List V5"
dependency_or_product: "invoice-generator"
affected: "bitpressadmin Bit Form \u2013 Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder: 0 to < 3.1.1"
fixed: "Vendor-fixed release or mitigation named by the upstream advisory"
signals:
- "authz"
- "../"
- "__proto__"
- "tools/call"
- "wp_ajax_nopriv"
- "pickle.loads"
- "shell command construction"
action: "upgrade, add regression test, and verify deploy artifact"
Copy-paste skill
You are remediating CVE-2026-14372 (The Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder plugin for Word) in this repository.
Find every affected dependency, runtime, image, service configuration, and reachable code path. Upgrade or patch to Vendor-fixed release or mitigation named by the upstream advisory. Replace the vulnerable authz pattern with a fail-closed implementation, add a regression test for the trigger shape, and update deployment/SBOM artifacts. If this repository does not control the affected runtime, create TRIAGE.md naming the owner, affected version, fixed version, and blocking decision.
Keywords, affected tech stack, and revenue tags
- Keywords:
CVE-2026-14372,authz,invoice-generator,MITRE CVE List V5. - Affected tech stack:
php/composer. - Revenue tags:
sellable_to_fintech,enterprise_blocker,high_priority_sla.
References
- https://cveawg.mitre.org/api/cve/CVE-2026-14372
- https://nvd.nist.gov/vuln/detail/CVE-2026-14372
- https://plugins.trac.wordpress.org/browser/bit-form/tags/3.1.1/includes/Admin/Form/Helpers.php#L302
- https://plugins.trac.wordpress.org/browser/bit-form/tags/3.1.1/includes/Core/Form/FormManager.php#L1039
- https://plugins.trac.wordpress.org/browser/bit-form/tags/3.1.1/includes/Core/Form/FormManager.php#L1044
- https://plugins.trac.wordpress.org/browser/bit-form/tags/3.1.1/includes/Core/Util/FileHandler.php#L129
- https://plugins.trac.wordpress.org/browser/bit-form/tags/3.1.1/includes/Frontend/Ajax/FrontendAjax.php#L87
- https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Admin/Form/Helpers.php#L302
- https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Core/Form/FormManager.php#L1039
- https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Core/Form/FormManager.php#L1044
- https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Core/Util/FileHandler.php#L129
- https://plugins.trac.wordpress.org/browser/bit-form/trunk/includes/Frontend/Ajax/FrontendAjax.php#L87
- https://plugins.trac.wordpress.org/changeset/3598554/bit-form/trunk/includes/Core/Form/FormManager.php
- https://plugins.trac.wordpress.org/changeset?old_path=%2Fbit-form/tags/3.1.1&new_path=%2Fbit-form/tags/3.1.2
- https://www.cve.org/CVERecord?id=CVE-2026-14372
- https://www.wordfence.com/threat-intel/vulnerabilities/id/943668eb-0185-4029-9459-f99141bf84cf?source=cve