CVE-2024-30540

MEDIUM

Published May 17, 2024 Modified Apr 15, 2026 CWE-804

Description

Guessable CAPTCHA vulnerability in Guido VS Contact Form allows Functionality Bypass.This issue affects VS Contact Form: from n/a through 14.7.

Is your site exposed to CVE-2024-30540?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-804 CWE-804

References

Other References

https://patchstack.com/database/vulnerability/very-simple-contact-form/wordpress-vs-contact-form-plugin-14-7-sum-captcha-bypass-vulnerability?_s_id=cve https://patchstack.com/database/vulnerability/very-simple-contact-form/wordpress-vs-contact-form-plugin-14-7-sum-captcha-bypass-vulnerability?_s_id=cve

Frequently Asked Questions

What is CVE-2024-30540? +

Guessable CAPTCHA vulnerability in Guido VS Contact Form allows Functionality Bypass.This issue affects VS Contact Form: from n/a through 14.7. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-30540? +

CVE-2024-30540 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-30540? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-40916 9.1

Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in …

CVE-2025-50850 8.6

An issue was discovered in CS Cart 4.18.3 allows the vendor login functionality lacks essential security controls such as CAPTCHA …

CVE-2026-49953 6.5

Discuz! X5.0 releases 20260320 through 20260610 contains a CAPTCHA bypass vulnerability that allows unauthenticated remote attackers to defeat challenge controls …

CVE-2023-6963 5.3

The Getwid – Gutenberg Blocks plugin for WordPress is vulnerable to CAPTCHA Bypass in versions up to, and including, 2.0.4. …

CVE-2025-1262 5.3

The Advanced Google reCaptcha plugin for WordPress is vulnerable to CAPTCHA Bypass in versions up to, and including, 1.27 . …

CVE-2026-40935 5.3

WWBN AVideo is an open source video platform. In versions 29.0 and prior, `objects/getCaptcha.php` accepts the CAPTCHA length (`ql`) directly …