CVE-2026-40229CWE-79

Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Medium · published April 29, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
16.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00257 · 16.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-04-29T15:34Z
EPSS history
Timeline
  • 29 APR 15:34Z
    Helpy 2.8.0 - Stored XSS in post author display via PostsHelper
    cvelistv5