{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-55877",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-17T16:59:42.759Z",
        "datePublished": "2026-07-08T21:32:37.407Z",
        "dateUpdated": "2026-07-09T14:40:25.026Z"
    },
    "containers": {
        "cna": {
            "title": "Symfony UX: XSS in symfony/ux-icons via unsanitized SVG content in local files and Iconify on-demand responses",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "lang": "en",
                            "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/symfony/ux/security/advisories/GHSA-6v8j-33hc-mv84",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/symfony/ux/security/advisories/GHSA-6v8j-33hc-mv84"
                },
                {
                    "name": "https://github.com/symfony/ux/commit/3a4964ec3700f0af4e13f7bfbf8bb3174c3e79d1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/symfony/ux/commit/3a4964ec3700f0af4e13f7bfbf8bb3174c3e79d1"
                },
                {
                    "name": "https://github.com/symfony/ux/releases/tag/v2.36.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/symfony/ux/releases/tag/v2.36.1"
                },
                {
                    "name": "https://github.com/symfony/ux/releases/tag/v3.2.0",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/symfony/ux/releases/tag/v3.2.0"
                }
            ],
            "affected": [
                {
                    "vendor": "symfony",
                    "product": "ux",
                    "versions": [
                        {
                            "version": ">= 2.17.0, < 2.36.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 3.0.0, < 3.2.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-08T21:32:37.407Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux_icon() Twig function is marked is_safe=['html'] and Icon::toHtml() inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested script elements, on* event handlers, or dangerous URL schemes to execute cross-site scripting. This issue is fixed in versions 2.36.1 and 3.2.0."
                }
            ],
            "source": {
                "advisory": "GHSA-6v8j-33hc-mv84",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-09T14:21:00.657899Z",
                                "id": "CVE-2026-55877",
                                "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": "2026-07-09T14:40:25.026Z"
                }
            }
        ]
    }
}