How severe is CVE-2024-1640?

CVE-2024-1640 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-1640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-1640?

CVE-2024-1640 affects Bitapps Contact Form Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-1640?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-1640 have an EU (EUVD) identifier?

Yes. CVE-2024-1640 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17378.

When was CVE-2024-1640 published?

CVE-2024-1640 was published on 2024-03-13 and last updated on 2026-06-17.

CVE-2024-1640

CVE-2024-1640 is a medium-severity vulnerability in Bitapps Contact Form Builder with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17378
Weakness: CWE-639
Affected product: Bitapps Contact Form Builder
Published: 2024-03-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-1640?: 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.
How severe is CVE-2024-1640?: CVE-2024-1640 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-1640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-1640?: CVE-2024-1640 affects Bitapps Contact Form Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-1640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-1640 have an EU (EUVD) identifier?: Yes. CVE-2024-1640 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17378.
When was CVE-2024-1640 published?: CVE-2024-1640 was published on 2024-03-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bitapps:contact_form_builder:*:*:*:*:*:wordpress:*:*

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