CVE-2021-44163
CVE-2021-44163 is a medium-severity vulnerability in Chinasea Qb Smart Service Robot with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Chinasea Qb Smart Service Robot
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-44163?
- CVE-2021-44163 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-44163 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44163?
- CVE-2021-44163 affects Chinasea Qb Smart Service Robot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-44163?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-44163 published?
- CVE-2021-44163 was published on 2021-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:*
More vulnerabilities in Chinasea Qb Smart Service Robot
- CVE-2021-44164 — Critical (CVSS 9.8): Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which…
- CVE-2021-44162 — High (CVSS 7.5): Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has…
All CVEs affecting Chinasea Qb Smart Service Robot →
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