SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44163

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.

MEDIUM 6.1EPSS 0.75%

Does this matter?

Lower severity and a low EPSS score (0.75%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.75% probability · 53th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
chinasea/qb smart service robot
Source
twcert@cert.org.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.