CVE-2021-44163

Chain Sea Information Integration Co., Ltd ai chatbot system - Reflected XSS

MEDIUM

6.1

CVSS Score

Published: December 20, 2021 at 03:10 AM UTC

Updated: June 17, 2026 at 04:11 AM UTC

1 product affected across 1 vendorQb Smart Service Robot

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Severity

MEDIUM6.1

Exploit prediction

EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Qb Smart Service Robot · Chinasea

95%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://www.twcert.org.tw/tw/cp-132-5399-03b81-1.html

CVSS

6.1MEDIUMtwcert

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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