CVE-2026-40229

Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Published Apr 29, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:helpy.io:helpy:2.8.0:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Helpy.io
Helpy.io helpy
Vendors & Products Helpy.io
Helpy.io helpy
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Helpy 2.8.0 - Stored XSS in post author display via PostsHelper
First Time appeared Helpyio
Helpyio helpy
Weaknesses CWE-79
CPEs cpe:2.3:a:helpyio:helpy:2.8.0:*:linux:*:*:*:*:*
cpe:2.3:a:helpyio:helpy:2.8.0:*:macos:*:*:*:*:*
cpe:2.3:a:helpyio:helpy:2.8.0:*:windows:*:*:*:*:*
Vendors & Products Helpyio
Helpyio helpy
References
Metrics cvssV4_0

{'score': 5.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Fluid Attacks
Published
Updated
Apr 29, 2026, 4:20 PM
Reserved
Apr 10, 2026, 4:07 PM
Status
Analyzed
Published
Apr 29, 2026, 4:16 PM
Modified
Oct 26, 2026, 8:10 PM