{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-12127",
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "state": "PUBLISHED",
        "assignerShortName": "Wordfence",
        "dateReserved": "2026-06-12T15:16:37.220Z",
        "datePublished": "2026-07-01T04:32:27.607Z",
        "dateUpdated": "2026-07-01T10:42:10.985Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
                "shortName": "Wordfence",
                "dateUpdated": "2026-07-01T04:32:27.607Z"
            },
            "affected": [
                {
                    "vendor": "smub",
                    "product": "WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "1.10.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Improper Neutralization of CRLF Sequences ('CRLF Injection') in all versions up to, and including, 1.10.2 This is due to `get_reply_to_address()` processing the Reply-To display name through smart-tag expansion with context `'notification'` instead of `'notification-reply-to'`, which bypasses email-address validation while `wpforms_sanitize_textarea_field()` intentionally preserves CR/LF characters that are never stripped before the display name is concatenated into the raw `Reply-To:` mail header string. This makes it possible for unauthenticated attackers to inject arbitrary additional email headers — such as `Bcc:` — into outgoing notification emails, silently blind-copying all notification email copies to an attacker-controlled address. Exploitation requires that a form notification is configured to use a Paragraph Text (textarea) field as the Reply-To display name via a Smart Tag."
                }
            ],
            "title": "WPForms <= 1.10.2 - Improper Neutralization of CRLF Sequences to Unauthenticated Email Header Injection via Reply-To Display Name",
            "references": [
                {
                    "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d5a51c22-c4ca-4897-ad7e-c5df00b07fe0?source=cve"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.1.1/src/Emails/Mailer.php#L368"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.1.1/src/Emails/Notifications.php#L1098"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.1.1/src/Emails/Notifications.php#L1138"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.1.1/includes/fields/class-textarea.php#L326"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.0.2/src/Emails/Mailer.php#L368"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.0.2/src/Emails/Notifications.php#L1098"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.0.2/src/Emails/Notifications.php#L1138"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.0.2/includes/fields/class-textarea.php#L326"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/changeset/3586095/wpforms-lite/trunk/src/Emails/Mailer.php"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fwpforms-lite/tags/1.10.2&new_path=%2Fwpforms-lite/tags/1.10.2.1"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')",
                            "cweId": "CWE-93",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Jack Pas (Dark.)"
                }
            ],
            "timeline": [
                {
                    "time": "2026-06-12T15:48:56.000Z",
                    "lang": "en",
                    "value": "Vendor Notified"
                },
                {
                    "time": "2026-06-30T16:02:50.000Z",
                    "lang": "en",
                    "value": "Disclosed"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-12127",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-07-01T10:31:09.519094Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-01T10:42:10.985Z"
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}