Medium (5.5) in localshop webservice\. EPSS 0.3% chance of exploitation in the next 30 days.
WebService::Xero 0.11 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.
Specifically WebService::Xero uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.
Severity
CVSS 3.1
5.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
EPSS
0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)