{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-35198",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-04-01T18:48:58.937Z",
        "datePublished": "2026-07-20T15:47:21.255Z",
        "dateUpdated": "2026-08-21T19:58:19.726Z"
    },
    "containers": {
        "cna": {
            "title": "HeyForm vulnerable to stored XSS via form field titles",
            "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": "HIGH",
                        "baseScore": 9,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/heyform/heyform/security/advisories/GHSA-chmm-jqpm-3pwx",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/heyform/heyform/security/advisories/GHSA-chmm-jqpm-3pwx"
                },
                {
                    "name": "https://github.com/heyform/heyform/commit/cc97d27a57ae400fec23abf5dcf6f9533c3b5db3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/heyform/heyform/commit/cc97d27a57ae400fec23abf5dcf6f9533c3b5db3"
                },
                {
                    "name": "https://vokecyber.com/research/cve-2026-35198-heyform-stored-xss",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://vokecyber.com/research/cve-2026-35198-heyform-stored-xss"
                }
            ],
            "affected": [
                {
                    "vendor": "heyform",
                    "product": "heyform",
                    "versions": [
                        {
                            "version": "< 3.0.0-rc.7",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-21T19:58:19.726Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "HeyForm is an open-source form builder. Prior to version 3.0.0-rc.7, a stored cross-site scripting (XSS) vulnerability in the form builder allows a low-privileged team member to inject malicious JavaScript that executes when a team owner views the form, leading to complete account takeover through privilege escalation. Version 3.0.0-rc.7 contains a patch for the issue."
                }
            ],
            "source": {
                "advisory": "GHSA-chmm-jqpm-3pwx",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/heyform/heyform/security/advisories/GHSA-chmm-jqpm-3pwx",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-20T19:01:46.436306Z",
                                "id": "CVE-2026-35198",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-20T19:02:26.984Z"
                }
            }
        ]
    }
}