CVE-2026-40230

MEDIUM

Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering

Title source: cna

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.

References (2)

Core 2

Core References

Third Party Advisory third-party-advisory

https://fluidattacks.com/es/advisories/prisioneros

Product product

https://github.com/helpyio/helpy

Scores

CVSS v3 5.4

EPSS 0.0018

EPSS Percentile 7.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

helpy.io/helpy 2.8.0

helpyio/helpy 2.8.0

Published Apr 29, 2026

Tracked Since Apr 29, 2026