XSS in Hyland Nuxeo

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-32828?
CVE-2021-32828 is a medium-severity vulnerability in Hyland Nuxeo, classified under Deserialization of Untrusted Data. CVSS score: 5.4/10. Published 2023-01-05.
How severe is CVE-2021-32828?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-32828 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.