CVE-2025-40916
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductMojolicious::Plugin::CaptchaPNG
PublishedJun 16, 2025
First seenJun 16, 2025
Weakness typeCWE-338CWE-338CWE-804CWE-804
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GRYPHON Mojolicious::Plugin::CaptchaPNG | 1.05 | — |
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