TI-2021-12493 Aliases CVE-2021-32828 GHSA-x347-fc9w-w7c3

Regular expression Denial of Service in MooTools

MEDIUM 60CWE-502Published 2023-01-05 · Updated 2025-03-10

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution, Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502 and CWE-79.

Summary

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 it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00769 55th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Hyland	Nuxeo	11.5.109 – 11.5.109	—	No fix listed	CNA
—	org.nuxeo.ecm.platform:nuxeo-platform-oauth (Maven)	up to 10.10	—	No fix listed	GHSA-x347-fc9w-w7c3

Nuxeo VendorHyland Affected 11.5.109 – 11.5.109 Fixed in — No fix listed CNA
org.nuxeo.ecm.platform:nuxeo-platform-oauth (Maven) Vendor— Affected up to 10.10 Fixed in — No fix listed GHSA-x347-fc9w-w7c3

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:hyland:nuxeo::::::::	up to 11.5.109	Vulnerable	Hyland

cpe:2.3:a:hyland:nuxeo:*:*:*:*:*:*:*:* Versions up to 11.5.109 Vulnerable ·Hyland

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-32828
2026-10-03 Alias added: GHSA-x347-fc9w-w7c3

References

Exploit 2

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2021-32828

Other 1

https://github.com/nuxeo/nuxeo

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences