CVE-2026-42839

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42839", "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "state": "PUBLISHED", "assignerShortName": "Fluid Attacks", "dateReserved": "2026-04-30T15:23:30.711Z", "datePublished": "2026-06-03T17:44:41.303Z", "dateUpdated": "2026-06-03T19:09:12.657Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Windows", "MacOS", "Linux"], "product": "ERPNext", "vendor": "Frappe", "versions": [{"status": "affected", "version": "16.16.0"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:windows:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:macos:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:linux:*:*:*:*:*", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Fluid Attacks' AI SAST Scanner"}, {"lang": "en", "type": "finder", "value": "Oscar Naveda"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the </span><code>item_name</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>description</code><span style=\"background-color: rgb(255, 255, 255);\">, or </span><code>image</code><span style=\"background-color: rgb(255, 255, 255);\"> fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.</span><p>This issue affects ERPNext: 16.16.0.</p>"}], "value": "An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0."}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 4.8, "baseSeverity": "MEDIUM", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "shortName": "Fluid Attacks", "dateUpdated": "2026-06-03T17:44:41.303Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://fluidattacks.com/es/advisories/pink"}, {"tags": ["product"], "url": "https://github.com/frappe/erpnext"}], "source": {"discovery": "UNKNOWN"}, "title": "ERPNext 16.16.0 - Stored XSS in POS cart item rendering", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-03T19:08:48.271273Z", "id": "CVE-2026-42839", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-03T19:09:12.657Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-42839", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-03T19:08:48.271273Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-03T19:09:06.079Z"}}], "cna": {"title": "ERPNext 16.16.0 - Stored XSS in POS cart item rendering", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Fluid Attacks' AI SAST Scanner"}, {"lang": "en", "type": "finder", "value": "Oscar Naveda"}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"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", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Frappe", "product": "ERPNext", "versions": [{"status": "affected", "version": "16.16.0"}], "platforms": ["Windows", "MacOS", "Linux"], "defaultStatus": "unaffected"}], "references": [{"url": "https://fluidattacks.com/es/advisories/pink", "tags": ["third-party-advisory"]}, {"url": "https://github.com/frappe/erpnext", "tags": ["product"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the </span><code>item_name</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>description</code><span style=\"background-color: rgb(255, 255, 255);\">, or </span><code>image</code><span style=\"background-color: rgb(255, 255, 255);\"> fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.</span><p>This issue affects ERPNext: 16.16.0.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:windows:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:macos:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:frappe:erpnext:16.16.0:*:linux:*:*:*:*:*", "vulnerable": true}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "shortName": "Fluid Attacks", "dateUpdated": "2026-06-03T17:44:41.303Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42839", "state": "PUBLISHED", "dateUpdated": "2026-06-03T19:09:12.657Z", "dateReserved": "2026-04-30T15:23:30.711Z", "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "datePublished": "2026-06-03T17:44:41.303Z", "assignerShortName": "Fluid Attacks"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "MacOS", "Linux"], "product": "ERPNext", "vendor": "Frappe", "versions": [{"status": "affected", "version": "16.16.0"}]}], "source": "help@fluidattacks.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the item_name, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale (POS) cart interface for every operator who adds that item to a transaction.This issue affects ERPNext: 16.16.0."}, {"lang": "es", "value": "Un usuario autenticado de ERPNext con permisos de edici\u00f3n de registros de Art\u00edculo puede persistir HTML/JavaScript arbitrario en los campos item_name, description o image de un Art\u00edculo y desencadenar una renderizaci\u00f3n sin escape en la interfaz del carrito del Punto de Venta (TPV) para cada operador que a\u00f1ade ese art\u00edculo a una transacci\u00f3n. Este problema afecta a ERPNext: 16.16.0."}], "id": "CVE-2026-42839", "lastModified": "2026-07-22T20:10:00.127", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "help@fluidattacks.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42839", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-03T19:08:48.271273Z", "version": "2.0.3"}}]}, "published": "2026-06-03T19:16:38.013", "references": [{"source": "help@fluidattacks.com", "url": "https://fluidattacks.com/es/advisories/pink"}, {"source": "help@fluidattacks.com", "url": "https://github.com/frappe/erpnext"}], "sourceIdentifier": "help@fluidattacks.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "help@fluidattacks.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows", "macos", "linux"], "status": "affected", "versions": {"scheme": "semver", "value": "16.16.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "ERPNext", "source": "cna", "vendor": "Frappe"}, "product": "erpnext", "vendor": "frappe"}], "created": "2026-06-03T20:30:36.206664+00:00", "updated": "2026-06-03T20:30:36.510051+00:00", "vendors": ["frappe", "frappe$PRODUCT$erpnext"]}