CVE-2025-40916

CRITICAL

Mojolicious::Plugin::CaptchaPNG 1.05 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.1
EPSS 0.0028
EPSS Percentile 51.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-338 CWE-804
Status published
Products (1)
GRYPHON/Mojolicious::Plugin::CaptchaPNG 1.05
Published Jun 16, 2025
Tracked Since Feb 18, 2026