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CVE-2026-40230 - Vulnerability Analysis

MediumCVSS: 5.4

Last Updated: May 1, 2026

Helpy - Stored XSS

Published: April 29, 2026Updated: May 1, 2026PoC AvailableRemote Exploitable

Overview

Helpy 2.8.0 contains a stored XSS caused by improper sanitization in knowledge base Doc rendering logic, letting authenticated admin or agent editors persist arbitrary HTML/JavaScript, exploit requires admin or agent editor privileges.

Severity & Score

Severity: Medium

CVSS Score: 5.4

Impact

Authenticated attackers with elevated privileges can execute arbitrary scripts, potentially compromising user sessions or data.

Mitigation

Update to the latest version beyond 2.8.0.

References

https://fluidattacks.com/es/advisories/prisioneros
https://github.com/helpyio/helpy

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-40230
Severity: Medium
CVSS Score: 5.4
Type: stored_xss
Status: confirmed

CWE

CWE-79

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N