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          "value": "Jeroen Pinoy"
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              "value": "\u003cp\u003eAffected versions of MISP cti-transmute expose several state-changing account operations as \u003ccode\u003eGET\u003c/code\u003e requests:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ccode\u003e/account/follow\u003c/code\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003ccode\u003e/account/delete_notification\u003c/code\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003ccode\u003e/account/mark_notification_read\u003c/code\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003ccode\u003e/account/mark_all_read\u003c/code\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003eThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim\u2019s browser to send authenticated GET requests automatically.\u003c/p\u003e\n\u003cp\u003eThe patch converts the actions to \u003ccode\u003ePOST\u003c/code\u003e or \u003ccode\u003eDELETE\u003c/code\u003e and updates the frontend to include an \u003ccode\u003eX-CSRFToken\u003c/code\u003e header, providing explicit CSRF protection for those state-changing operations.\u003c/p\u003e"
            }
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          "value": "Affected versions of MISP cti-transmute expose several state-changing account operations as GET requests:\n\n\n\n  *  \n/account/follow\n\n\n  *  \n/account/delete_notification\n\n\n  *  \n/account/mark_notification_read\n\n\n  *  \n/account/mark_all_read\n\n\n\n\n\nThese endpoints require authentication, but before the fix they could be invoked with simple GET requests. That makes them susceptible to cross-site request forgery because a third-party site can induce the victim\u2019s browser to send authenticated GET requests automatically.\n\n\nThe patch converts the actions to POST or DELETE and updates the frontend to include an X-CSRFToken header, providing explicit CSRF protection for those state-changing operations."
        }
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        {
          "capecId": "CAPEC-62",
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              "value": "CAPEC-62 Cross Site Request Forgery"
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      "title": "cti-transmute CSRF Allows Unauthorized Follow and Notification State Changes",
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              "value": "\u003cp\u003eAffected versions of cti-transmute improperly handle conversion-table values passed through the search highlighting feature. The \u003ccode\u003ehighlight()\u003c/code\u003e function previously returned the underlying text directly when no search query was supplied, or performed a regex replacement that inserted \u003ccode\u003e\u0026lt;mark\u0026gt;\u003c/code\u003e tags without first escaping the original content. Because the resulting value is used by an HTML-rendering sink, malicious markup contained in conversion data could be interpreted as HTML rather than displayed as text.\u003c/p\u003e\u003cp\u003eThe fix introduces a shared \u003ccode\u003ehighlightMatches()\u003c/code\u003e helper that first converts special characters such as \u003ccode\u003e\u0026lt;\u003c/code\u003e, \u003ccode\u003e\u0026gt;\u003c/code\u003e, \u003ccode\u003e\u0026amp;\u003c/code\u003e, and quotes into HTML entities. Only after escaping does the code insert the application-controlled \u003ccode\u003e\u0026lt;mark\u0026gt;\u003c/code\u003e element used for search highlighting.\u003c/p\u003e"
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              "description": "CWE-116 Improper Encoding or Escaping of Output",
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      "title": "cti-transmute Conversion Table Allows XSS via Unescaped Cell Content During Search Highlighting",
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              "value": "\u003cp\u003eAffected versions of cti-transmute contain an SSRF vulnerability in the \u003ccode\u003e/fetch_misp_event\u003c/code\u003e and \u003ccode\u003e/misp_search_events\u003c/code\u003e endpoints.\u003c/p\u003e\n\u003cp\u003eThe URL validation routine checked whether a supplied hostname was itself an IP literal and rejected private, loopback, link-local, or reserved IPs. However, ordinary domain names were accepted without resolving them first. An attacker could therefore use a hostname whose DNS record pointed to an internal address and cause the cti-transmute server to issue requests into its internal network. The commit explicitly states that anonymous callers could make the server request the internal target and \u003cstrong\u003eread the response\u003c/strong\u003e.\u003c/p\u003e\n\u003cp\u003eThe fix resolves hostnames using \u003ccode\u003esocket.getaddrinfo()\u003c/code\u003e, checks that \u003cstrong\u003eevery resolved address is globally routable\u003c/strong\u003e, and additionally places \u003ccode\u003e@login_required\u003c/code\u003e on both affected MISP fetch/search routes.\u003c/p\u003e"
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      "title": "cti-transmute Unauthenticated SSRF via Hostnames Resolving to Internal IP Addresses",
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              "value": "\u003cp\u003eAffected versions of cti-transmute allow a tag\u0027s \u003ccode\u003eicon\u003c/code\u003e value to be stored and later interpolated into HTML through Vue\u0027s \u003ccode\u003ev-html\u003c/code\u003e. The helper \u003ccode\u003emapIcon()\u003c/code\u003e previously constructed an HTML string directly from the icon value:\u003c/p\u003e\n\u003cp\u003e\u003ccode\u003e\u0026lt;i class=\"fas fa-${name}\"\u0026gt;\u0026lt;/i\u0026gt;\u003c/code\u003e\u003c/p\u003e\n\u003cp\u003eBecause the icon is user-supplied, a crafted value could break out of the intended markup and inject attacker-controlled HTML. When the affected tag was later rendered, including on the administrative triage interface, the payload could execute in the viewer\u0027s browser.\u003c/p\u003e\n\u003cp\u003eThe patch mitigates the issue at multiple layers: \u003ccode\u003ev-html\u003c/code\u003e is replaced with Vue \u003ccode\u003e:class\u003c/code\u003e binding, \u003ccode\u003emapIcon()\u003c/code\u003e now returns only a constrained FontAwesome class string, and the backend validates icons against the FontAwesome catalogue or a strict \u003ccode\u003e[a-z0-9-]{1,40}\u003c/code\u003e slug pattern before storing them.\u003c/p\u003e"
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          "value": "Affected versions of cti-transmute allow a tag\u0027s icon value to be stored and later interpolated into HTML through Vue\u0027s v-html. The helper mapIcon() previously constructed an HTML string directly from the icon value:\n\n\n\u003ci class=\"fas fa-${name}\"\u003e\u003c/i\u003e\n\n\nBecause the icon is user-supplied, a crafted value could break out of the intended markup and inject attacker-controlled HTML. When the affected tag was later rendered, including on the administrative triage interface, the payload could execute in the viewer\u0027s browser.\n\n\nThe patch mitigates the issue at multiple layers: v-html is replaced with Vue :class binding, mapIcon() now returns only a constrained FontAwesome class string, and the backend validates icons against the FontAwesome catalogue or a strict [a-z0-9-]{1,40} slug pattern before storing them."
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              "value": "\u003cp\u003eCTI-Transmute is affected by a stored cross-site scripting (XSS) vulnerability in the conversion graph used to visualise converted MISP and STIX content.\u003c/p\u003e\u003cp\u003eAttacker-controlled values originating from converted CTI data were passed to multiple HTML-parsing sinks in the graph user interface without sufficient neutralisation. In particular, node labels, node sublabels, edge labels, node properties, edge properties, and node types could contain crafted HTML or JavaScript content.\u003c/p\u003e\u003cp\u003eThe Pivotick graph library renders some of these values through HTML-parsing operations. Consequently, a malicious value such as an HTML element containing an event handler could be interpreted as markup rather than displayed as plain text. The first remediation explicitly notes that Pivotick rendered node and edge labels as HTML and therefore introduced escaping before data was handed to the graph renderer.\u003c/p\u003e\u003cp\u003eA separate vulnerable sink was present in the \u003cstrong\u003eOpen raw JSON\u003c/strong\u003e functionality. The raw object associated with a graph node was inserted into a new document using \u003ccode\u003edocument.write()\u003c/code\u003e and an interpolated HTML string. Crafted JSON content could therefore break out of the intended \u003ccode\u003e\u0026lt;pre\u0026gt;\u003c/code\u003e element and inject executable markup. The fix replaced this construction with DOM APIs and assigns the JSON using \u003ccode\u003etextContent\u003c/code\u003e.\u003c/p\u003e\u003cp\u003eThe initial correction did not cover all Pivotick rendering paths. A subsequent patch addressed additional XSS vectors in the graph properties panel. Values derived from the original CTI object\u2014including property names, property values, hash algorithm names, child attributes, edge properties, and STIX object types\u2014could still reach Pivotick\u0027s HTML resolver. According to the patch, Pivotick\u0027s \u003ccode\u003etryResolveHTMLElement\u003c/code\u003e processes string values using \u003ccode\u003etemplate.innerHTML\u003c/code\u003e, allowing malicious markup to execute when a graph node is hovered over or selected.\u003c/p\u003e\u003cp\u003eThe complete remediation therefore:\u003c/p\u003e\u003cul\u003e\u003cli\u003eHTML-escapes node labels, node sublabels, and edge labels before they are passed to Pivotick.\u003c/li\u003e\u003cli\u003eRestricts graph node \u003ccode\u003etype\u003c/code\u003e values to a safe identifier character set.\u003c/li\u003e\u003cli\u003eWraps node and edge property values in DOM elements populated through \u003ccode\u003etextContent\u003c/code\u003e, preventing Pivotick from treating attacker-controlled strings as HTML.\u003c/li\u003e\u003cli\u003eReplaces the raw-JSON popup\u0027s interpolated \u003ccode\u003edocument.write()\u003c/code\u003e with DOM construction and \u003ccode\u003etextContent\u003c/code\u003e.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e"
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