{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-45314",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-05-11T20:50:30.538Z",
        "datePublished": "2026-05-15T21:31:24.526Z",
        "dateUpdated": "2026-05-18T19:44:49.427Z"
    },
    "containers": {
        "cna": {
            "title": "Open WebUI: XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-87",
                            "lang": "en",
                            "description": "CWE-87: Improper Neutralization of Alternate XSS Syntax",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/open-webui/open-webui/security/advisories/GHSA-3856-3vxq-m6fc",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/open-webui/open-webui/security/advisories/GHSA-3856-3vxq-m6fc"
                }
            ],
            "affected": [
                {
                    "vendor": "open-webui",
                    "product": "open-webui",
                    "versions": [
                        {
                            "version": "< 0.9.3",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-05-15T21:31:24.526Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profile_image_url values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves this SVG as image/svg+xml without sanitization, allowing attacker-controlled script handlers (for example onload) to execute when the profile-image URL is opened in the browser. This vulnerability is fixed in 0.9.3."
                }
            ],
            "source": {
                "advisory": "GHSA-3856-3vxq-m6fc",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/open-webui/open-webui/security/advisories/GHSA-3856-3vxq-m6fc",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-18T19:43:05.967674Z",
                                "id": "CVE-2026-45314",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-05-18T19:44:49.427Z"
                }
            }
        ]
    }
}