How severe is CVE-2021-32609?

CVE-2021-32609 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-32609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32609?

CVE-2021-32609 affects Apache Superset. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32609?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-32609 published?

CVE-2021-32609 was published on 2021-10-18 and last updated on 2026-06-17.

CVE-2021-32609

CVE-2021-32609 is a medium-severity vulnerability in Apache Superset with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Superset
Published: 2021-10-18
Last modified: 2026-06-17

Description

Apache Superset up to and including 1.1 does not sanitize titles correctly on the Explore page. This allows an attacker with Explore access to save a chart with a malicious title, injecting html (including scripts) into the page.

Frequently asked questions

What is CVE-2021-32609?: Apache Superset up to and including 1.1 does not sanitize titles correctly on the Explore page. This allows an attacker with Explore access to save a chart with a malicious title, injecting html (including scripts) into the page.
How severe is CVE-2021-32609?: CVE-2021-32609 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-32609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32609?: CVE-2021-32609 affects Apache Superset. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32609?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32609 published?: CVE-2021-32609 was published on 2021-10-18 and last updated on 2026-06-17.

References

https://lists.apache.org/thread.html/r2c09254e98b4f8b3deb422762bd0e2aa6d743b72d96c2f90cbaae31a%40%3Cdev.superset.apache.org%3E

Affected products (1)

cpe:2.3:a:apache:superset:*:*:*:*:*:*:*:*

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