CVE-2026-81780 (GCVE-0-2026-81780)
Vulnerability from cvelistv5
Published
2026-08-31 20:30
Modified
2026-08-31 20:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Summary
Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| hashthemes | Hash Form |
Version: n/a < |
{
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"packageName": "hash-form",
"product": "Hash Form",
"vendor": "hashthemes",
"versions": [
{
"changes": [
{
"at": "1.4.3",
"status": "unaffected"
}
],
"lessThanOrEqual": "1.4.2",
"status": "affected",
"version": "n/a",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "CoryRoo | Patchstack Bug Bounty Program"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Unauthenticated Arbitrary File Upload in Hash Form \u003c= 1.4.2 versions."
}
],
"value": "Unauthenticated Arbitrary File Upload in Hash Form \u003c= 1.4.2 versions."
}
],
"impacts": [
{
"capecId": "CAPEC-17",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-17 Using Malicious Files"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 10,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-434",
"description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-31T20:30:52.324Z",
"orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"shortName": "Patchstack"
},
"references": [
{
"tags": [
"vdb-entry"
],
"url": "https://patchstack.com/database/wordpress/plugin/hash-form/vulnerability/wordpress-hash-form-plugin-1-4-2-arbitrary-file-upload-vulnerability?_s_id=cve"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Update the WordPress Hash Form Plugin to the latest available version (at least 1.4.3)."
}
],
"value": "Update the WordPress Hash Form Plugin to the latest available version (at least 1.4.3)."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "WordPress Hash Form plugin \u003c= 1.4.2 - Arbitrary File Upload vulnerability",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"assignerShortName": "Patchstack",
"cveId": "CVE-2026-81780",
"datePublished": "2026-08-31T20:30:52.324Z",
"dateReserved": "2026-08-27T12:24:25.082Z",
"dateUpdated": "2026-08-31T20:30:52.324Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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