VULNERABILITY INTELLIGENCE
CVE-2026-40229
CVSS score5.4 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-04-29
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- help@fluidattacks.com: CWE-79
Primary references
- help@fluidattacks.com — Exploit, Third Party Advisory
- help@fluidattacks.com — Product