CVE-2026-40229

MEDIUM

5.4

Description

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML notification emails sent to other users.This issue affects helpy: 2.8.0.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published4/29/2026

Last Modified5/1/2026

Sourcenvd

Honeypot Sightings0

Affected Products

helpy.io:helpy

Weaknesses (CWE)

CWE-79

References

https://fluidattacks.com/es/advisories/offspring(help@fluidattacks.com)

https://github.com/helpyio/helpy(help@fluidattacks.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.