CVE-2026-84701
Low
No strong exploitation signal.
CVSS base
5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS — probability of exploitation (30 days)
0.2%
6.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-79
Published 2026-09-02 · modified 2026-09-16
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.
References
- https://github.com/nocobase/nocobase
- https://github.com/nocobase/nocobase/blob/v2.2.5/packages/core/client/src/schema-component/antd/input/ReadPretty.tsx
- https://github.com/nocobase/nocobase/issues/10416
- https://www.vulncheck.com/advisories/nocobase-rich-text-field-stored-cross-site-scripting-via-api