CVE-2026-112184

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-112184", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-10-19T09:19:41.258Z", "datePublished": "2026-10-19T09:19:45.056Z", "dateUpdated": "2026-10-19T17:14:52.401Z"}, "containers": {"cna": {"affected": [{"cpes": ["cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"], "modules": ["Workflow Modules (Module_misp_module)"], "product": "MISP", "programFiles": ["app/Model/WorkflowModules/Module_misp_module.php"], "repo": "https://github.com/MISP/MISP", "vendor": "MISP", "versions": [{"lessThan": "2.5.48", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Jeroen Pinoy"}, {"lang": "en", "type": "remediation developer", "value": "iglocska"}, {"lang": "en", "type": "remediation developer", "value": "Claude Opus 5.5 (1M context)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.</p><p>Preconditions:</p><p>- The attacker must be able to control or influence parameter names reported by the misp-modules service.</p><p>- A victim must be authenticated and view the affected workflow module page.</p><p>Impact:</p><p>- Execution of arbitrary JavaScript in the victim's browser session.</p><p>- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.</p><p>Affected versions: &lt;2.5.48.</p>"}], "value": "MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: <2.5.48."}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 XSS - Reflected"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 4.8, "baseSeverity": "MEDIUM", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "SSVC", "other": {"content": {"options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "Supplier", "timestamp": "2026-10-19T09:16:56Z", "version": "2.0.3"}, "type": "SSVC"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-10-19T09:19:45.056Z"}, "references": [{"name": "Security patch", "tags": ["patch"], "url": "https://github.com/MISP/MISP/commit/813a48b2b"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The fix applies HTML output encoding (the h() helper) to the parameter name before it is used as a form label, ensuring that any HTML metacharacters in the value are neutralized and rendered as inert text rather than executable markup.</p>"}], "value": "The fix applies HTML output encoding (the h() helper) to the parameter name before it is used as a form label, ensuring that any HTML metacharacters in the value are neutralized and rendered as inert text rather than executable markup."}], "title": "MISP Workflow Module: Reflected XSS via Unescaped misp-modules Parameter Names in Form Labels", "x_gcve": [{"extensions": {"bcp-05-x-01": {"ai_annotations": [{"ai_level": "generated", "description": "Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. 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The attacker-controlled data flows from an external source into the rendered output, matching the reflected XSS pattern. Uncertainty: the data originates from a backend service rather than a direct HTTP parameter, but the effect (untrusted data reflected into HTML without encoding) is functionally identical to reflected XSS."}], "commit": "813a48b2bac0c9034f532b9181ac9a0c5fa59857", "confidence": "medium", "credits": [{"lang": "en", "type": "reporter", "value": "Jeroen Pinoy"}, {"lang": "en", "type": "remediation developer", "value": "iglocska"}, {"lang": "en", "type": "remediation developer", "value": "Claude Opus 5.5 (1M context)"}], "cvssRationale": "AV:N \u2013 web-based, reachable over the network. AC:L \u2013 no race or special timing; the misp-modules service simply needs to return a crafted parameter name. AT:N \u2013 no manipulation of the target system required. PR:L \u2013 the victim must be an authenticated MISP user to view the workflow module page. UI:A \u2013 the victim must actively load the workflow module page for the script to execute. VC/VI/VA:N \u2013 the MISP server itself is not compromised. SC:L \u2013 the attacker can read cookies or session data in the victim's browser. SI:L \u2013 the attacker can modify the page or perform actions in the victim's session. 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AC:L \u2013 no race or special timing; the misp-modules service simply needs to return a crafted parameter name. AT:N \u2013 no manipulation of the target system required. PR:L \u2013 the victim must be an authenticated MISP user to view the workflow module page. UI:A \u2013 the victim must actively load the workflow module page for the script to execute. VC/VI/VA:N \u2013 the MISP server itself is not compromised. SC:L \u2013 the attacker can read cookies or session data in the victim's browser. SI:L \u2013 the attacker can modify the page or perform actions in the victim's session. SA:N \u2013 no elevation of security authority on the server.", "capecRationale": [{"capecId": "CAPEC-1", "rationale": "The misp-modules service supplies parameter names that are reflected into the HTML of the workflow module page without encoding. The attacker-controlled data flows from an external source into the rendered output, matching the reflected XSS pattern. 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Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: <2.5.48.", "supportingMedia": [{"type": "text/html", "value": "<p>MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.</p><p>Preconditions:</p><p>- The attacker must be able to control or influence parameter names reported by the misp-modules service.</p><p>- A victim must be authenticated and view the affected workflow module page.</p><p>Impact:</p><p>- Execution of arbitrary JavaScript in the victim's browser session.</p><p>- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.</p><p>Affected versions: &lt;2.5.48.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-10-19T09:19:45.056Z"}}}, "cveMetadata": {"cveId": "CVE-2026-112184", "state": "PUBLISHED", "dateUpdated": "2026-10-19T17:14:52.401Z", "dateReserved": "2026-10-19T09:19:41.258Z", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "datePublished": "2026-10-19T09:19:45.056Z", "assignerShortName": "CIRCL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"], "modules": ["Workflow Modules (Module_misp_module)"], "product": "MISP", "programFiles": ["app/Model/WorkflowModules/Module_misp_module.php"], "repo": "https://github.com/MISP/MISP", "vendor": "MISP", "versions": [{"lessThan": "2.5.48", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: <2.5.48."}], "id": "CVE-2026-112184", "lastModified": "2026-10-19T18:17:03.870", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "type": "Secondary"}], "ssvcV203": [{"source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "ssvcData": {"options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "Supplier", "timestamp": "2026-10-19T09:16:56Z", "version": "2.0.3"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-112184", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-19T17:14:29.630953Z", "version": "2.0.3"}}]}, "published": "2026-10-19T10:16:47.210", "references": [{"source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "url": "https://github.com/MISP/MISP/commit/813a48b2b"}], "sourceIdentifier": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "vulnStatus": "Deferred", "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": "[0,2.5.48)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "MISP", "source": "cna", "vendor": "MISP"}, "product": "misp", "vendor": "misp"}], "created": "2026-10-19T10:30:13.292195+00:00", "updated": "2026-10-19T18:15:01.838161+00:00", "vendors": ["misp", "misp$PRODUCT$misp"]}