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Medium · 5.1 CVE-2026-40229 EUVD-2026-26244GHSA-qxjc-9q88-9cgh

Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Published Apr 29, 2026 · Updated Apr 29, 2026 · Assigned by Fluid Attacks

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.

Affected products

VendorProductAffectedFixed
helpyio helpy 2.8.0 —

References