CVE-2026-80099 (GCVE-0-2026-80099)
Vulnerability from cvelistv5 – Published: 2026-09-09 08:28 – Updated: 2026-09-09 08:28
VLAI
EPSS
VEX
Title
Various Newfold Plugins Various Versions - Unauthenticated Authentication Bypass via Bearer Token Validation with Empty Secret
Summary
Several Newfold plugins are vulnerable to Authentication Bypass. The vulnerability exists because the plugins bundle the wp-module-data module. In the module, the `authenticate()` method — registered on the `rest_authentication_errors` filter and therefore evaluated for every unauthenticated REST API request — performs an HMAC-style Bearer token comparison that degenerates when `HiiveConnection::get_auth_token()` returns `false`: PHP coerces `strrev(false)` to `strrev('')`, collapsing the secret salt to the publicly known constant `hash('sha256', '') = e3b0c44...`, while all remaining hash inputs (HTTP method, request URL, raw request body, and the `X-Timestamp` header) remain fully attacker-controlled. This makes it possible for unauthenticated attackers to compute a valid Bearer token entirely offline, pass the token equality check, and have `wp_set_current_user()` invoked against the first administrator returned by `get_users(['role' => 'administrator'])`, granting full administrator-level access and enabling arbitrary REST API operations such as creating new administrator accounts and achieving complete site takeover. Vulnerable versions are WP Plugin Crazy Domains (<= 2.5.2), WP Plugin Web (<= 2.3.4), WP Plugin Hostgator (<= 3.1.0), WP Plugin Bluehost (<= 4.17.1). The affected module is vulnerable in versions up to, and including, 2.9.4.
Severity
8.8 (High)
CWE
- CWE-287 - Improper Authentication
Assigner
References
11 references
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Newfold | WP Plugin Web |
Affected:
0 , ≤ 2.3.5
(semver)
|
guessed | |
| Newfold | WP Plugin Crazy Domains |
Affected:
0 , ≤ 2.5.2
(semver)
|
guessed | |
| Newfold | WP Module Data |
Affected:
0 , ≤ 2.9.7
(semver)
|
guessed | |
| Newfold | WP Plugin Hostgator |
Affected:
0 , ≤ 3.2.0
(semver)
|
guessed | |
| Newfold | WP Plugin Bluehost |
Affected:
0 , ≤ 4.19.0
(semver)
|
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "WP Plugin Web",
"vendor": "Newfold",
"versions": [
{
"lessThanOrEqual": "2.3.5",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Plugin Crazy Domains",
"vendor": "Newfold",
"versions": [
{
"lessThanOrEqual": "2.5.2",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Module Data",
"vendor": "Newfold",
"versions": [
{
"lessThanOrEqual": "2.9.7",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Plugin Hostgator",
"vendor": "Newfold",
"versions": [
{
"lessThanOrEqual": "3.2.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Plugin Bluehost",
"vendor": "Newfold",
"versions": [
{
"lessThanOrEqual": "4.19.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "sorin vasile"
}
],
"descriptions": [
{
"lang": "en",
"value": "Several Newfold plugins are vulnerable to Authentication Bypass. The vulnerability exists because the plugins bundle the wp-module-data module. In the module, the `authenticate()` method \u2014 registered on the `rest_authentication_errors` filter and therefore evaluated for every unauthenticated REST API request \u2014 performs an HMAC-style Bearer token comparison that degenerates when `HiiveConnection::get_auth_token()` returns `false`: PHP coerces `strrev(false)` to `strrev(\u0027\u0027)`, collapsing the secret salt to the publicly known constant `hash(\u0027sha256\u0027, \u0027\u0027) = e3b0c44...`, while all remaining hash inputs (HTTP method, request URL, raw request body, and the `X-Timestamp` header) remain fully attacker-controlled. This makes it possible for unauthenticated attackers to compute a valid Bearer token entirely offline, pass the token equality check, and have `wp_set_current_user()` invoked against the first administrator returned by `get_users([\u0027role\u0027 =\u003e \u0027administrator\u0027])`, granting full administrator-level access and enabling arbitrary REST API operations such as creating new administrator accounts and achieving complete site takeover. Vulnerable versions are WP Plugin Crazy Domains (\u003c= 2.5.2), WP Plugin Web (\u003c= 2.3.4), WP Plugin Hostgator (\u003c= 3.1.0), WP Plugin Bluehost (\u003c= 4.17.1). The affected module is vulnerable in versions up to, and including, 2.9.4."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287 Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T08:28:22.335Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3ee369c0-0d7c-4142-b3ba-a518288647ba?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L222"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L201"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L191"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/HiiveConnection.php#L406"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L69"
},
{
"url": "https://github.com/newfold-labs/wp-module-data/commit/9d913fd8fa12796c4d9c09081e4aeccfa5cb1301"
},
{
"url": "https://github.com/newfold-labs/wp-plugin-hostgator/compare/3.2.0...3.2.1"
},
{
"url": "https://github.com/newfold-labs/wp-plugin-bluehost/compare/4.19.0...4.19.1"
},
{
"url": "https://github.com/newfold-labs/wp-plugin-web/compare/2.3.5...2.3.6"
},
{
"url": "https://github.com/newfold-labs/wp-plugin-crazy-domains/compare/2.5.2...2.5.3"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-08T20:12:14.000Z",
"value": "Disclosed"
}
],
"title": "Various Newfold Plugins Various Versions - Unauthenticated Authentication Bypass via Bearer Token Validation with Empty Secret"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-80099",
"datePublished": "2026-09-09T08:28:22.335Z",
"dateReserved": "2026-08-25T18:44:30.101Z",
"dateUpdated": "2026-09-09T08:28:22.335Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-80099\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-09-09T09:17:12.157\",\"lastModified\":\"2026-09-09T09:17:12.157\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Several Newfold plugins are vulnerable to Authentication Bypass. The vulnerability exists because the plugins bundle the wp-module-data module. In the module, the `authenticate()` method \u2014 registered on the `rest_authentication_errors` filter and therefore evaluated for every unauthenticated REST API request \u2014 performs an HMAC-style Bearer token comparison that degenerates when `HiiveConnection::get_auth_token()` returns `false`: PHP coerces `strrev(false)` to `strrev(\u0027\u0027)`, collapsing the secret salt to the publicly known constant `hash(\u0027sha256\u0027, \u0027\u0027) = e3b0c44...`, while all remaining hash inputs (HTTP method, request URL, raw request body, and the `X-Timestamp` header) remain fully attacker-controlled. This makes it possible for unauthenticated attackers to compute a valid Bearer token entirely offline, pass the token equality check, and have `wp_set_current_user()` invoked against the first administrator returned by `get_users([\u0027role\u0027 =\u003e \u0027administrator\u0027])`, granting full administrator-level access and enabling arbitrary REST API operations such as creating new administrator accounts and achieving complete site takeover. Vulnerable versions are WP Plugin Crazy Domains (\u003c= 2.5.2), WP Plugin Web (\u003c= 2.3.4), WP Plugin Hostgator (\u003c= 3.1.0), WP Plugin Bluehost (\u003c= 4.17.1). The affected module is vulnerable in versions up to, and including, 2.9.4.\"}],\"affected\":[{\"source\":\"security@wordfence.com\",\"affectedData\":[{\"vendor\":\"Newfold\",\"product\":\"WP Plugin Web\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"2.3.5\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Newfold\",\"product\":\"WP Plugin Crazy Domains\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"2.5.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Newfold\",\"product\":\"WP Module Data\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"2.9.7\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Newfold\",\"product\":\"WP Plugin Hostgator\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"3.2.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Newfold\",\"product\":\"WP Plugin Bluehost\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"4.19.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"references\":[{\"url\":\"https://github.com/newfold-labs/wp-module-data/commit/9d913fd8fa12796c4d9c09081e4aeccfa5cb1301\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://github.com/newfold-labs/wp-plugin-bluehost/compare/4.19.0...4.19.1\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://github.com/newfold-labs/wp-plugin-crazy-domains/compare/2.5.2...2.5.3\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://github.com/newfold-labs/wp-plugin-hostgator/compare/3.2.0...3.2.1\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://github.com/newfold-labs/wp-plugin-web/compare/2.3.5...2.3.6\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L191\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L201\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L222\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/Data.php#L69\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/wp-module-data/trunk/includes/HiiveConnection.php#L406\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/3ee369c0-0d7c-4142-b3ba-a518288647ba?source=cve\",\"source\":\"security@wordfence.com\"}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…