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Status published
Unknown
CVE-2025-40916
Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha text
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.04/diff/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.05/lib/Mojolicious/Plugin/CaptchaPNG.pm
- https://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CaptchaPNG-1.06/changes
- https://metacpan.org/pod/perlfunc#rand
- https://security.metacpan.org/docs/guides/random-data-for-security.html
Affected Vendor
GRYPHON
View all reports →Affected Software
Mojolicious::Plugin::CaptchaPNG
Vulnerable Versions:
1.05
Timeline
Official Publish:
June 16th, 2025
Last Modified:
June 16th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.