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vuln-cve/data/2026/4xxx/CVE-2026-4350.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-4350",
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"state": "PUBLISHED",
"assignerShortName": "Wordfence",
"dateReserved": "2026-03-17T17:04:50.751Z",
"datePublished": "2026-04-03T07:41:57.239Z",
"dateUpdated": "2026-04-08T16:54:37.987Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence",
"dateUpdated": "2026-04-08T16:54:37.987Z"
},
"affected": [
{
"vendor": "perfmatters",
"product": "Perfmatters",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "2.5.9.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Perfmatters plugin for WordPress is vulnerable to arbitrary file deletion via path traversal in all versions up to, and including, 2.5.9.1. This is due to the `PMCS::action_handler()` method processing the `$_GET['delete']` parameter without any sanitization, authorization check, or nonce verification. The unsanitized filename is concatenated with the storage directory path and passed to `unlink()`. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server by using `../` path traversal sequences, including `wp-config.php` which would force WordPress into the installation wizard and allow full site takeover."
}
],
"title": "Perfmatters <= 2.5.9.1 - Authenticated (Subscriber+) Arbitrary File Deletion via 'delete' Parameter",
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/58b9dab8-8539-4b53-b08d-f6ee3e1e744c?source=cve"
},
{
"url": "https://perfmatters.io/docs/changelog/"
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"cweId": "CWE-22",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"baseScore": 8.1,
"baseSeverity": "HIGH"
}
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Phú"
}
],
"timeline": [
{
"time": "2026-03-19T20:20:05.000Z",
"lang": "en",
"value": "Vendor Notified"
},
{
"time": "2026-04-02T19:02:03.000Z",
"lang": "en",
"value": "Disclosed"
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-04-03T12:48:51.557866Z",
"id": "CVE-2026-4350",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-04-03T12:48:57.412Z"
}
}
]
}
}