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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-86833",
        "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "state": "PUBLISHED",
        "assignerShortName": "WPScan",
        "dateReserved": "2026-09-08T14:32:26.457Z",
        "datePublished": "2026-10-07T06:47:51.929Z",
        "dateUpdated": "2026-10-07T09:49:40.451Z"
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                "dateUpdated": "2026-10-07T06:47:51.929Z"
            },
            "title": "MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
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                    "vendor": "Unknown",
                    "product": "MetForm",
                    "collectionURL": "https://wordpress.org/plugins",
                    "versions": [
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                            "status": "affected",
                            "versionType": "semver",
                            "version": "0",
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                    "defaultStatus": "unaffected"
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            "descriptions": [
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                    "lang": "en",
                    "value": "The MetForm WordPress plugin before 4.3.1 does not sanitize or escape submitted form-field values before inserting them into the HTML body of its email notifications, allowing unauthenticated attackers to inject arbitrary markup into the administrator and submitter notification emails the site sends."
                }
            ],
            "references": [
                {
                    "url": "https://wpscan.com/vulnerability/6d6850d6-6fdf-4b97-9ccb-c90f9ed01ab0/",
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                        "baseScore": 5.4,
                        "baseSeverity": "MEDIUM"
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                    "type": "finder"
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                    "type": "coordinator"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "WPScan CVE Generator"
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                        "descriptions": [
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                                "lang": "en",
                                "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')"
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                            "content": {
                                "timestamp": "2026-10-07T09:49:24.362509Z",
                                "id": "CVE-2026-86833",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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