CVE-2026-84701CWE-79cross-site-scripting

CVE-2026-84701

Medium · published September 2, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
21.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
5.1 · 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
EPSS
0.00298 · 21.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-02T05:17Z
References (4)
https://github.com/nocobase/nocobase · [email protected]https://github.com/nocobase/nocobase/blob/v2.2.5/packages/core/client/src/schema-component/antd/input/ReadPretty.tsx · [email protected]https://github.com/nocobase/nocobase/issues/10416 · [email protected]https://www.vulncheck.com/advisories/nocobase-rich-text-field-stored-cross-site-scripting-via-api · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 02 SEP 00:37Z
    NocoBase Rich Text Field Stored Cross-Site Scripting via API
    cvelistv5