What is CVE-2023-43701?

CVE-2023-43701 is a medium-severity vulnerability in Apache Superset, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2023-11-27.

How severe is CVE-2023-43701?

Medium severity. CVSS v3 base score is 4.3 out of 10.

XSS in Apache Superset

CVE-2023-43701

Improper payload validation and an improper REST API response type, made it possible for an authenticated malicious actor to store malicious code into Chart's metadata, this code could get executed if a user specifically accesses a specific deprecated API endpoint. This issue affects Apache Superset versions prior to 2.1.2. Users are recommended to upgrade to version 2.1.2, which fixes this issue.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 61st percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Apache Superset
Apache Software Foundation Superset — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

lists.apache.org/thread/4dnr1knk50fw60jxkjgqj228f0xcc892 (vendor-advisory, Mailing List)
www.openwall.com/lists/oss-security/2023/11/27/4 (Mailing List)

Frequently asked questions

What is CVE-2023-43701?: CVE-2023-43701 is a medium-severity vulnerability in Apache Superset, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2023-11-27.
How severe is CVE-2023-43701?: Medium severity. CVSS v3 base score is 4.3 out of 10.