CVE-2026-40230

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://fluidattacks.com/es/advisories/prisioneros	Exploit Third Party Advisory
https://github.com/helpyio/helpy	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:helpy.io:helpy:2.8.0:*:*:*:*:*:*:*

History

01 May 2026, 12:26

Type	Values Removed	Values Added
First Time		Helpy.io Helpy.io helpy
References	~~() https://fluidattacks.com/es/advisories/prisioneros -~~	() https://fluidattacks.com/es/advisories/prisioneros - Exploit, Third Party Advisory
References	~~() https://github.com/helpyio/helpy -~~	() https://github.com/helpyio/helpy - Product
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
CPE		cpe:2.3:a:helpy.io:helpy:2.8.0:::::::*

30 Apr 2026, 15:11

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-29 16:16

Updated : 2026-05-01 12:26

NVD link : CVE-2026-40230

Mitre link : CVE-2026-40230

CVE.ORG link : CVE-2026-40230

JSON object : View

Products Affected

helpy.io

helpy

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-40230", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}], "cvssMetricV40": [{"type": "Secondary", "source": "help@fluidattacks.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-04-29T16:16:24.350", "references": [{"url": "https://fluidattacks.com/es/advisories/prisioneros", "tags": ["Exploit", "Third Party Advisory"], "source": "help@fluidattacks.com"}, {"url": "https://github.com/helpyio/helpy", "tags": ["Product"], "source": "help@fluidattacks.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "help@fluidattacks.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-05-01T12:26:33.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:helpy.io:helpy:2.8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7548AEC-F6A1-40AE-8378-B5A1BFB8A8BE"}], "operator": "OR"}]}], "sourceIdentifier": "help@fluidattacks.com"}