CVE-2026-84701 json
NocoBase Rich Text Field Stored Cross-Site Scripting via API
published 2026-09-02 2 mo ago modified 2026-09-16 54 d ago also EUVD-2026-69792
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nocobase nocobase 2.2.6
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| CNA | 4.0 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- nocobase nocobase
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/nocobase/nocobase
product
-
github.com
/nocobase/nocobase/issues/10416
issue-tracking
-
github.com
/nocobase/nocobase/blob/v2.2.5/packages/core/client/src/schema-component/antd/input/ReadPretty.tsx
technical-description
-
vulncheck.com
/advisories/nocobase-rich-text-field-stored-cross-site-scripting-via-api
third-party-advisory
Sources
- CVE List CVE-2026-84701
- NVD CVE-2026-84701
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.