Vulnerability · Published Sep 2, 2026 · Assigned by VulnCheck
CVE-2026-84701NocoBase Rich Text Field Stored Cross-Site Scripting via API
Medium 5.4
In plain English
A medium-severity cross-site scripting in nocobase from nocobase. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 77.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- https://github.com/nocobase/nocobase product
- https://github.com/nocobase/nocobase/issues/10416 issue-tracking
- https://github.com/nocobase/nocobase/blob/v2.2.5/packages/core/client/src/schema-component/antd/input/ReadPretty.tsx technical-description
- VulnCheck Advisory: NocoBase Rich Text Field Stored Cross-Site Scripting via API third-party-advisory