vuln-cve/data/2026/73xxx/CVE-2026-73159.json

{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-73159",
        "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
        "state": "PUBLISHED",
        "assignerShortName": "CIRCL",
        "dateReserved": "2026-08-11T08:45:56.986Z",
        "datePublished": "2026-08-11T08:45:59.398Z",
        "dateUpdated": "2026-08-11T13:03:25.189Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "cti-transmute",
                    "repo": "https://github.com/MISP/cti-transmute",
                    "vendor": "MISP",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.4.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Jeroen Pinoy"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Christian Studer"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Affected versions of cti-transmute allow a tag's <code>icon</code> value to be stored and later interpolated into HTML through Vue's <code>v-html</code>. The helper <code>mapIcon()</code> previously constructed an HTML string directly from the icon value:</p>\n<p><code>&lt;i class=\"fas fa-${name}\"&gt;&lt;/i&gt;</code></p>\n<p>Because the icon is user-supplied, a crafted value could break out of the intended markup and inject attacker-controlled HTML. When the affected tag was later rendered, including on the administrative triage interface, the payload could execute in the viewer's browser.</p>\n<p>The patch mitigates the issue at multiple layers: <code>v-html</code> is replaced with Vue <code>:class</code> binding, <code>mapIcon()</code> now returns only a constrained FontAwesome class string, and the backend validates icons against the FontAwesome catalogue or a strict <code>[a-z0-9-]{1,40}</code> slug pattern before storing them.</p>"
                        }
                    ],
                    "value": "Affected versions of cti-transmute allow a tag's icon value to be stored and later interpolated into HTML through Vue's v-html. The helper mapIcon() previously constructed an HTML string directly from the icon value:\n\n\n<i class=\"fas fa-${name}\"></i>\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's 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."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-63",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-63 Cross-Site Scripting (XSS)"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 5.1,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "LOW",
                        "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:L/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": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
                "shortName": "CIRCL",
                "dateUpdated": "2026-08-11T08:45:59.398Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/MISP/cti-transmute/commit/cc13416d606d91d543ce1f1e41387750f8450153"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "cti-transmute Stored XSS via Crafted Tag Icon on Admin Triage Interface",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-11T13:02:58.398751Z",
                                "id": "CVE-2026-73159",
                                "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": "2026-08-11T13:03:25.189Z"
                }
            }
        ]
    }
}