CVE-2021-32828: The Nuxeo Platform is an open source content management platform for building business applications

Q: How do I fix CVE-2021-32828?

nuxeo: upgrade to newer than 11.5.109. Exact commands for each OS are on this page.

Q: Is CVE-2021-32828 being exploited?

CVE-2021-32828 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-32828 affect?

CVE-2021-32828 affects nuxeo. Severity is medium (CVSS 5.4). 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

Q: How urgent is CVE-2021-32828?

Priority 38/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2021-32828 is a medium-severity flaw (CVSS 5.4) affecting nuxeo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-502, CWE-79
Published	2023-01-05
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: hyland

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-05 23:15 UTCPublished CVE record published
2026-06-17 03:53 UTCUpdated Record last modified

hyland nuxeo UPGRADE

Affected: <= 11.5.109

Fixed in: newer than 11.5.109

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nuxeo || rpm -q nuxeo || nuxeo --version

2. UPGRADE to newer than 11.5.109 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nuxeo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nuxeo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-32828?

nuxeo: upgrade to newer than 11.5.109. Exact commands for each OS are on this page.

Is CVE-2021-32828 being exploited?

CVE-2021-32828 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-32828 affect?

CVE-2021-32828 affects nuxeo. Severity is medium (CVSS 5.4). 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

How urgent is CVE-2021-32828?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2013-4521 CRITICAL 9.8 DOWNGRADE RichFaces implementation in Nuxeo Platform 5.6.0 before HF27 and 5.8.0 before HF-01 does not restrict the clas

References

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