CVE-2026-84701— NocoBase Rich Text Field Stored Cross-Site Scripting via API
Quick assessment
Affected
nocobase nocobase
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
NocoBase 在富文本字段的读取渲染器中未能正确清理（sanitize）字段值，这使得拥有创建权限的用户能够存储带有事件处理器的恶意 HTML。攻击者可以通过集合 API 写入任意标记（markup），这些标记将在所有查看受影响记录的用户的浏览器中执行。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-84701
Vulnerability Information
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Vulnerability Title
NocoBase Rich Text Field Stored Cross-Site Scripting via API
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-84701
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-84701 (4)
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https://github.com/nocobase/nocobase/issues/10416 issue-tracking
IV. Related Vulnerabilities
Same product: nocobase
-
CVE-2026-55410
NocoBase backup restore schema name allows command injection -
CVE-2026-52887
NocoBase: SQL injection in /api/myInAppChannels:list filter -
CVE-2026-52888
NocoBase: Sensitive Data Exposure via SQL Blacklist Bypass -
CVE-2026-58468
NocoBase 2.1.20 Server-Side Request Forgery via serverReques -
CVE-2026-41641
NocoBase Vulnerable to SQL Validation Bypass via `sqlCollect
Same vendor: nocobase
-
CVE-2026-55410
NocoBase backup restore schema name allows command injection -
CVE-2026-52887
NocoBase: SQL injection in /api/myInAppChannels:list filter -
CVE-2026-52888
NocoBase: Sensitive Data Exposure via SQL Blacklist Bypass -
CVE-2026-58468
NocoBase 2.1.20 Server-Side Request Forgery via serverReques -
CVE-2026-41641
NocoBase Vulnerable to SQL Validation Bypass via `sqlCollect
Same weakness: CWE-79
-
CVE-2026-84437
OpenCart Autocomplete Workflow address.php cross site script -
CVE-2026-84695
BookStack before 26.05.4 Stored XSS via Drawing Upload -
CVE-2026-84477
AVideo Stored XSS via Live Schedule Title Description -
CVE-2026-84371
ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-polic -
CVE-2026-84370
SVGO: removeScripts allows executable links through namespac
V. Comments for CVE-2026-84701
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