CVE-2026-1565 (GCVE-0-2026-1565)
Vulnerability from cvelistv5 – Published: 2026-02-26 19:23 – Updated: 2026-04-08 16:43
VLAI
EPSS
VEX
Title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.2.8 - Authenticated (Author+) Arbitrary File Upload
Summary
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WPUF_Admin_Settings::check_filetype_and_ext' function and in the 'Admin_Tools::check_filetype_and_ext' function in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 20:45 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| wedevs | User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration |
Affected:
0 , ≤ 4.2.8
(semver)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-1565",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-26T20:45:40.612494Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T20:45:54.082Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration",
"vendor": "wedevs",
"versions": [
{
"lessThanOrEqual": "4.2.8",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Williwollo"
}
],
"descriptions": [
{
"lang": "en",
"value": "The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the \u0027WPUF_Admin_Settings::check_filetype_and_ext\u0027 function and in the \u0027Admin_Tools::check_filetype_and_ext\u0027 function in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site\u0027s server which may make remote code execution possible."
}
],
"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-434",
"description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-08T16:43:50.370Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2c358cbe-7600-43a1-94a3-1530cdb5a9f3?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L600"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L571"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L444"
},
{
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L537"
},
{
"url": "https://plugins.trac.wordpress.org/changeset/3468395/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-01-28T20:27:54.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-02-26T06:37:58.000Z",
"value": "Disclosed"
}
],
"title": "User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration \u003c= 4.2.8 - Authenticated (Author+) Arbitrary File Upload"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-1565",
"datePublished": "2026-02-26T19:23:09.638Z",
"dateReserved": "2026-01-28T20:11:57.607Z",
"dateUpdated": "2026-04-08T16:43:50.370Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-1565",
"date": "2026-09-27",
"epss": "0.00554",
"percentile": "0.44042"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration",
"vendor": "wedevs",
"versions": [
{
"lessThanOrEqual": "4.2.8",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "security@wordfence.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the \u0027WPUF_Admin_Settings::check_filetype_and_ext\u0027 function and in the \u0027Admin_Tools::check_filetype_and_ext\u0027 function in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site\u0027s server which may make remote code execution possible."
},
{
"lang": "es",
"value": "El plugin User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026amp; User Registration para WordPress es vulnerable a la carga arbitraria de archivos debido a una validaci\u00f3n incorrecta del tipo de archivo en la funci\u00f3n \u00abWPUF_Admin_Settings::check_filetype_and_ext\u00bb y en la funci\u00f3n \u00abAdmin_Tools::check_filetype_and_ext\u00bb en todas las versiones hasta la 4.2.8, incluida. Esto permite a los atacantes autenticados, con acceso de nivel de autor o superior, cargar archivos arbitrarios en el servidor del sitio afectado, lo que puede hacer posible la ejecuci\u00f3n remota de c\u00f3digo."
}
],
"id": "CVE-2026-1565",
"lastModified": "2026-06-17T10:16:04.767",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "security@wordfence.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-1565",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-26T20:45:40.612494Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-26T20:31:34.317",
"references": [
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L571"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L600"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L444"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L537"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/changeset/3468395/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php"
},
{
"source": "security@wordfence.com",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2c358cbe-7600-43a1-94a3-1530cdb5a9f3?source=cve"
}
],
"sourceIdentifier": "security@wordfence.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
],
"source": "security@wordfence.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T08:11:31+00:00",
"cve": "CVE-2026-1565",
"id": "CVE-2026-1565",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership \u0026 User Registration \u003c= 4.2.8 - Authenticated (Author+) Arbitrary File Upload",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1565.json",
"version": "3"
}
}
}
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…
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…