142 lines
6.7 KiB
JSON
142 lines
6.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-86583",
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"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
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"state": "PUBLISHED",
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"assignerShortName": "Wordfence",
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"dateReserved": "2026-09-08T06:53:28.117Z",
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"datePublished": "2026-09-23T21:27:34.729Z",
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"dateUpdated": "2026-09-24T13:23:00.324Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
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"shortName": "Wordfence",
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"dateUpdated": "2026-09-23T21:27:34.729Z"
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},
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"affected": [
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{
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"vendor": "carazo",
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"product": "Import and export users and customers",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThanOrEqual": "2.4.17",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "The Import and export users and customers plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.4.17 via the plugin's own export and re-import workflow. The vulnerability exists because the exporter writes CSV cells using fputcsv() with a NUL byte (\\0) as the escape character, while the importer parses the same file using SplFileObject::fgetcsv() with only a single delimiter argument, causing PHP's default backslash escape character to be applied instead; because the export column layout places display_name immediately before the role column and nickname immediately after, an attacker can store crafted values in those two profile fields — saved by WordPress core via the standard profile page — such that the escape mismatch causes the parser to merge the display_name cell into the role field and rebalance the column count via nickname, yielding administrator as the parsed role for their own row when it reaches the import_user function's add_role function. This makes it possible for authenticated attackers with Subscriber-level access or above to escalate their privileges to Administrator. Exploitation requires a site administrator to trigger the plugin's documented export re-import migration with both \"Update existing users\" and \"Update roles for existing users\" set to \"yes\"."
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}
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],
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"title": "Import and export users and customers <= 2.4.17 - Authenticated (Subscriber+) Privilege Escalation via CSV Escape-Character Mismatch in Export/Import Round Trip via display_name and nickname Profile Fields",
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"references": [
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{
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"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5b0f3444-4c10-45ce-a00b-4ed6038b8846?source=cve"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/2.4.17/classes/import.php#L888"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/2.4.17/classes/import.php#L1356"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/2.4.17/classes/batch_exporter.php#L459"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/2.4.17/classes/import.php#L872"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/2.4.17/classes/helper.php#L78"
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},
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{
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"url": "https://plugins.trac.wordpress.org/changeset/3687349/import-users-from-csv-with-meta"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "CWE-266 Incorrect Privilege Assignment",
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"cweId": "CWE-266",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "khanhnv"
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}
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],
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"timeline": [
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{
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"time": "2026-09-08T07:09:00.000Z",
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"lang": "en",
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"value": "Vendor Notified"
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},
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{
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"time": "2026-09-23T09:27:14.000Z",
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"lang": "en",
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"value": "Disclosed"
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}
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-24T13:22:48.155521Z",
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"id": "CVE-2026-86583",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-24T13:23:00.324Z"
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}
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}
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]
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}
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} |