CVE-2026-8080

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8080", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-05-07T12:05:55.978Z", "datePublished": "2026-05-07T12:07:59.273Z", "dateUpdated": "2026-05-07T14:57:26.231Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-05-07T12:07:59.273Z"}, "title": "MISP core - Stored XSS in MISP template (old engine) element attribute type", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "affected": [{"vendor": "misp", "product": "misp", "versions": [{"status": "affected", "version": "0", "lessThan": "2.5.37", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS.\n\n\n\n\n\n\nThis issue affects MISP before 2.5.37.\n\n\n\n\nA stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the TemplateElementAttribute type and category fields without validating them against the known MISP attribute type and category definitions.\u00a0An attacker with permission to create or modify template element attributes could store a crafted type value.\n\n\nThis affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS.<p><br></p><p>This issue affects MISP before 2.5.37.<br></p><p>A stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the <code>TemplateElementAttribute</code> <code>type</code> and <code>category</code> fields without validating them against the known MISP attribute type and category definitions.&nbsp;An attacker with permission to create or modify template element attributes could store a crafted <code>type</code> value.</p><br>This affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38<p></p>"}]}], "references": [{"url": "https://github.com/MISP/MISP/commit/62824e5ca0056d01b195f70466ea0d382cca06d0", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "GREEN", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green"}}], "credits": [{"lang": "en", "value": "Luciano Righetti", "type": "remediation developer"}, {"lang": "en", "value": "Bj\u00f8rn Helseth (TV 2 Norway)", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-07T14:47:09.800042Z", "id": "CVE-2026-8080", "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": "2026-05-07T14:57:26.231Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8080", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-07T14:47:09.800042Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-07T14:47:13.377Z"}}], "cna": {"title": "MISP core - Stored XSS in MISP template (old engine) element attribute type", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "remediation developer", "value": "Luciano Righetti"}, {"lang": "en", "type": "finder", "value": "Bj\u00f8rn Helseth (TV 2 Norway)"}], "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": 6.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "GREEN", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "misp", "product": "misp", "versions": [{"status": "affected", "version": "0", "lessThan": "2.5.37", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/MISP/MISP/commit/62824e5ca0056d01b195f70466ea0d382cca06d0", "tags": ["patch"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS.\n\n\n\n\n\n\nThis issue affects MISP before 2.5.37.\n\n\n\n\nA stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the TemplateElementAttribute type and category fields without validating them against the known MISP attribute type and category definitions.\u00a0An attacker with permission to create or modify template element attributes could store a crafted type value.\n\n\nThis affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38", "supportingMedia": [{"type": "text/html", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS.<p><br></p><p>This issue affects MISP before 2.5.37.<br></p><p>A stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the <code>TemplateElementAttribute</code> <code>type</code> and <code>category</code> fields without validating them against the known MISP attribute type and category definitions.&nbsp;An attacker with permission to create or modify template element attributes could store a crafted <code>type</code> value.</p><br>This affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38<p></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')"}]}], "providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-05-07T12:07:59.273Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8080", "state": "PUBLISHED", "dateUpdated": "2026-05-07T14:57:26.231Z", "dateReserved": "2026-05-07T12:05:55.978Z", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "datePublished": "2026-05-07T12:07:59.273Z", "assignerShortName": "CIRCL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "misp", "vendor": "misp", "versions": [{"lessThan": "2.5.37", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*", "matchCriteriaId": "98F21394-C1D2-4D7C-A1B9-541250CACF67", "versionEndExcluding": "2.5.37", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS.\n\n\n\n\n\n\nThis issue affects MISP before 2.5.37.\n\n\n\n\nA stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the TemplateElementAttribute type and category fields without validating them against the known MISP attribute type and category definitions.\u00a0An attacker with permission to create or modify template element attributes could store a crafted type value.\n\n\nThis affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38"}, {"lang": "es", "value": "Vulnerabilidad de Neutralizaci\u00f3n Incorrecta de la Entrada Durante la Generaci\u00f3n de P\u00e1ginas Web (XSS o \u2019cross-site scripting\u2019) en MISP permite XSS Almacenado.\n\nEste problema afecta a MISP anterior a la versi\u00f3n 2.5.37.\n\nExiste una vulnerabilidad de cross-site scripting almacenado en la l\u00f3gica de manejo de atributos de elementos de plantilla. La aplicaci\u00f3n aceptaba valores arbitrarios para los campos de tipo y categor\u00eda de TemplateElementAttribute sin validarlos contra las definiciones conocidas de tipo y categor\u00eda de atributos de MISP. Un atacante con permiso para crear o modificar atributos de elementos de plantilla podr\u00eda almacenar un valor de tipo manipulado.\n\nEsto afecta al antiguo motor de plantillas (ya no accesible en 2.5.37) de MISP que ser\u00e1 eliminado en 2.5.38."}], "id": "CVE-2026-8080", "lastModified": "2026-11-11T23:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "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": "LOW", "providerUrgency": "GREEN", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/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:Green", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8080", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-07T14:47:09.800042Z", "version": "2.0.3"}}]}, "published": "2026-05-07T12:16:18.467", "references": [{"source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "tags": ["Patch"], "url": "https://github.com/MISP/MISP/commit/62824e5ca0056d01b195f70466ea0d382cca06d0"}], "sourceIdentifier": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.37)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "misp", "source": "cna", "vendor": "misp"}, "product": "misp", "vendor": "misp"}], "created": "2026-05-07T15:00:12.842997+00:00", "updated": "2026-05-07T15:30:06.375063+00:00", "vendors": ["misp", "misp$PRODUCT$misp"]}