{"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": "2026-06-09T03:41:18.492Z"}, "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"}]}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-8499", "lastModified": "2026-06-09T05:16:39.373", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-06-09T05:16:39.373", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/HelpfulcrowdCustomEndpoints.php#L13"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/HelpfulcrowdCustomEndpoints.php#L71"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/helpfulcrowd-product-reviews/tags/1.2.9/includes/core.php#L122"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/26f34aa0-8584-4156-b084-d34a0ab0a997?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-06-09T06:15:06.496185+00:00", "updated": "2026-06-09T06:15:06.496200+00:00", "vendors": []}