{"cve":"CVE-2024-1640","nvd":{"published":"2024-03-13T16:15:24.957","modified":"2026-06-17T07:04:41.113","status":"Modified","description":"The Contact Form Builder Plugin: Multi Step Contact Form, Payment Form, Custom Contact Form Plugin by Bit Form plugin for WordPress is vulnerable to unauthorized modification of data due to a insufficient user validation on the bitforms_update_form_entry AJAX action in all versions up to, and including, 2.10.1. This makes it possible for unauthenticated attackers to modify form submissions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-639"],"references":["https://plugins.trac.wordpress.org/changeset/3048523/bit-form/trunk/includes/Frontend/Ajax/FrontendAjax.php","https://www.wordfence.com/threat-intel/vulnerabilities/id/49ed7d6a-4a65-4efc-90e5-ffa5470d4011?source=cve","https://plugins.trac.wordpress.org/changeset/3048523/bit-form/trunk/includes/Frontend/Ajax/FrontendAjax.php","https://www.wordfence.com/threat-intel/vulnerabilities/id/49ed7d6a-4a65-4efc-90e5-ffa5470d4011?source=cve"],"products":["bitapps:contact_form_builder"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2024-1640","score":0.00481,"percentile":0.41492,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}