{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-8499",
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "state": "PUBLISHED",
        "assignerShortName": "Wordfence",
        "dateReserved": "2026-05-13T19:49:04.220Z",
        "datePublished": "2026-06-09T03:41:18.492Z",
        "dateUpdated": "2026-06-09T16:01:59.494Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
                "shortName": "Wordfence",
                "dateUpdated": "2026-06-09T03:41:18.492Z"
            },
            "affected": [
                {
                    "vendor": "helpfulcrowd",
                    "product": "Helpfulcrowd Product Reviews",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "1.2.9",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The Helpfulcrowd Product Reviews plugin for WordPress is vulnerable to Authorization Bypass via PHP Type Juggling in versions up to, and including, 1.2.9. This is due to the `helpfulcrowd_validate_token()` function using a loose comparison operator (`!=`) instead of a strict comparison (`!==`) when validating the `token` parameter, while the corresponding REST route `/wp-json/helpfulcrowd/v1/update-settings` is registered with a `permission_callback` of `__return_true`, making it reachable by unauthenticated users; submitting a JSON boolean `true` as the `token` value causes PHP's loose comparison to evaluate as equal to the non-empty base64-encoded secret string, bypassing the check entirely. This makes it possible for unauthenticated attackers to invoke `helpfulcrowd_settings_endpoint()` and write arbitrary attacker-controlled key-value pairs directly into the `helpfulcrowd_options` WordPress database option via `update_option()` without any sanitization or allowlist filtering, enabling full unauthenticated modification of the plugin's stored configuration."
                }
            ],
            "title": "Helpfulcrowd Product Reviews <= 1.2.9 - Inccorect Authorization via Type Juggling in 'token' Parameter to Arbitrary Settings Update",
            "references": [
                {
                    "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/26f34aa0-8584-4156-b084-d34a0ab0a997?source=cve"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/HelpfulcrowdCustomEndpoints.php#L13"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/HelpfulcrowdCustomEndpoints.php#L71"
                },
                {
                    "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/core.php#L122"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')",
                            "cweId": "CWE-843",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "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": "Abhirup Konwar"
                }
            ],
            "timeline": [
                {
                    "time": "2026-06-08T15:04:54.000Z",
                    "lang": "en",
                    "value": "Disclosed"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-09T16:01:47.825981Z",
                                "id": "CVE-2026-8499",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "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": "2026-06-09T16:01:59.494Z"
                }
            }
        ]
    }
}