CVE-2025-40916

Published Jun 16, 2025

Last updated a month ago

CVSS critical 9.1

Overview

Description
Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in rand() function for generating the captcha text as well as image noise, which is insecure.
Source
9b29abf9-4ab0-4765-b253-1875cd9b441e
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
9.1
Impact score
5.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity
CRITICAL

Weaknesses

9b29abf9-4ab0-4765-b253-1875cd9b441e
CWE-338

Social media

Hype score
Not currently trending

  1. CVE-2025-40916 Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in rand() function for… https://t.co/sHNG9lFvUT

    @CVEnew

    16 Jun 2025

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References

Sources include official advisories and independent security research.