How severe is CVE-2021-32828?

CVE-2021-32828 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-2021-32828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32828?

CVE-2021-32828 affects Hyland Nuxeo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32828?

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

When was CVE-2021-32828 published?

CVE-2021-32828 was published on 2023-01-05 and last updated on 2026-06-17.

CVE-2021-32828

CVE-2021-32828 is a medium-severity vulnerability in Hyland Nuxeo 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)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hyland Nuxeo
Published: 2023-01-05
Last modified: 2026-06-17

Description

The Nuxeo Platform is an open source content management platform for building business applications. In version 11.5.109, the `oauth2` REST API is vulnerable to Reflected Cross-Site Scripting (XSS). This XSS can be escalated to Remote Code Execution (RCE) by levering the automation API.

Frequently asked questions

What is CVE-2021-32828?: The Nuxeo Platform is an open source content management platform for building business applications. In version 11.5.109, the `oauth2` REST API is vulnerable to Reflected Cross-Site Scripting (XSS). This XSS can be escalated to Remote Code Execution (RCE) by levering the automation API.
How severe is CVE-2021-32828?: CVE-2021-32828 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-2021-32828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32828?: CVE-2021-32828 affects Hyland Nuxeo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32828 published?: CVE-2021-32828 was published on 2023-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hyland:nuxeo:*:*:*:*:*:*:*:*

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