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CVE-2021-32828

Regular expression Denial of Service in MooTools

MEDIUM
6.1
CVSS Score
Published: January 5, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorNuxeo

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nuxeo· Hyland
95%
v ≤ 11.5.10911.5.109

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/nuxeo/nuxeo/blob/master/modules/platform/nuxeo-platform-oauth/src/main/java/org/nuxeo/ecm/webengine/oauth2/OAuth2Callback.java
ExploitThird Party Advisory
Source: [email protected]
https://securitylab.github.com/advisories/GHSL-2021-072-nuxeo

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502CWE-79

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