Chain Sea Information Integration Co., Ltd ai chatbot system - Reflected XSS
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.00774 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chain Sea Information Integration Co., Ltd | ai chatbot system | — | — | No fix listed | CNA |
- ai chatbot system VendorChain Sea Information Integration Co., Ltd Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Chain Sea Information Integration Co., Ltd |
- cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Chain Sea Information Integration Co., Ltd
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-44163
- 2026-10-03 Alias added: GHSA-wxf3-qxfw-xchv
References
More Chain Sea Information Integration Co., Ltd Qb Smart Service Robot vulnerabilities
- TI-2021-19862 Chain Sea Information Integration Co., Ltd ai chatbot system - Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2021-19860 Chain Sea Information Integration Co., Ltd ai chatbot system - Path Traversal CVSS 3.1HIGH 7.5
Sources
- CVE-2021-44163 · CVE Program
- CVE-2021-44163 · NVD
- FIRST EPSS
- GHSA-wxf3-qxfw-xchv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences