CVE-2026-40230 Details
Description
Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.
A stored cross-site scripting vulnerability has been identified in Helpy version 2.8.0. This issue arises in the knowledge base document rendering process, where an authenticated attacker with admin or agent editor privileges can inject arbitrary HTML or JavaScript into the body field of a knowledge base document. The injected script is executed in the browser of any user who views the rendered article, including unauthenticated visitors. The vulnerability is rooted in the DocsHelper's sanitize_doc_content method, which improperly marks content as safe without adequate sanitization, allowing malicious scripts to run.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://fluidattacks.com/es/advisories/prisioneros | [email protected] | ExploitThird Party Advisory |
| https://github.com/helpyio/helpy | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| helpy.io helpy | 2.8.0 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 1, 2026 | Initial Analysis | [email protected] |
| Apr 29, 2026 | New CVE Received | [email protected] |