CVE-2026-84701

NocoBase Rich Text Field Stored Cross-Site Scripting via API

Published Sep 2, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
NocoBase fails to sanitize rich text field values in the read renderer, allowing users with create permissions to store malicious HTML with event handlers. Attackers can write arbitrary markup through the collection API that executes in the browsers of all users viewing the affected record.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description NocoBase fails to sanitize rich text field values in the read renderer, allowing users with create permissions to store malicious HTML with event handlers. Attackers can write arbitrary markup through the collection API that executes in the browsers of all users viewing the affected record.
Title NocoBase Rich Text Field Stored Cross-Site Scripting via API
First Time appeared Nocobase
Nocobase nocobase
Weaknesses CWE-79
CPEs cpe:2.3:a:nocobase:nocobase:*:*:*:*:*:*:*:*
Vendors & Products Nocobase
Nocobase nocobase
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 2, 2026, 3:43 PM
Reserved
Sep 1, 2026, 11:24 PM
Status
Deferred
Published
Sep 2, 2026, 1:17 AM
Modified
Sep 16, 2026, 1:42 PM