VULNERABILITY INTELLIGENCE

CVE-2021-44163

CVSS score6.1 MEDIUM
EPSS probability0.77%
CISA KEVNot currently listed
Published2021-12-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Chain Sea ai chatbot backend has improper filtering of special characters in URL parameters, which allows a remote attacker to perform JavaScript injection for XSS (reflected Cross-site scripting) attack without authentication.

Weakness classification

  • twcert@cert.org.tw: CWE-79

Primary references