The Kossy module before 0.60 for Perl allows JSON hijacking because of X-Requested-With mishandling.
https://metacpan.org/dist/Kossy/changes
https://github.com/kazeburo/Kossy/pull/16
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-33805
Source: Mitre, NVD
Published: 2024-03-18
Updated: 2026-04-15
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00413