What is CVE-2026-40230?

CVE-2026-40230 is a medium-severity vulnerability in Helpy.io Helpy, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-29.

How severe is CVE-2026-40230?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Helpy.io Helpy

CVE-2026-40230

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Helpy.io Helpy — versions 2.8.0
Helpyio Helpy — versions 2.8.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

help@fluidattacks.com (Exploit, Third Party Advisory, third-party-advisory)
help@fluidattacks.com (Product, product)

Frequently asked questions

What is CVE-2026-40230?: CVE-2026-40230 is a medium-severity vulnerability in Helpy.io Helpy, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-29.
How severe is CVE-2026-40230?: Medium severity. CVSS v3 base score is 5.4 out of 10.