Innovative Interfaces Sierra Library Services Platform 1.2_3 does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass parameter validation via unspecified vectors, possibly related to the Webpac Pro submodule.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)