CVE-2026-40230

Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering

Published Apr 29, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.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 knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.
Title Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering
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': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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