CVE-2025-40916
moderate-risk
Published 2025-06-16
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.
Do I need to act?
-
0.28% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
37
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal