CVE-2021-47157 | BDVDB-2026-227764 Detail

kossykossy

Description#

The Kossy module before 0.60 for Perl allows JSON hijacking because of X-Requested-With mishandling.

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

No public exploit known

9.8 Critical

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 35.9.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).