139 lines
6.1 KiB
JSON
139 lines
6.1 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-2026-3296",
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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": "2026-02-26T20:09:26.417Z",
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"datePublished": "2026-04-08T01:24:43.946Z",
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"dateUpdated": "2026-04-08T16:42:45.183Z"
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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": "2026-04-08T16:42:45.183Z"
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},
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"affected": [
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{
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"vendor": "wpeverest",
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"product": "Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder",
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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": "3.4.3",
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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 Everest Forms plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.4.3 via deserialization of untrusted input from form entry metadata. This is due to the html-admin-page-entries-view.php file calling PHP's native unserialize() on stored entry meta values without passing the allowed_classes parameter. This makes it possible for unauthenticated attackers to inject a serialized PHP object payload through any public Everest Forms form field. The payload survives sanitize_text_field() sanitization (serialization control characters are not stripped) and is stored in the wp_evf_entrymeta database table. When an administrator views entries or views an individual entry, the unsafe unserialize() call processes the stored data without class restrictions."
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}
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],
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"title": "Everest Forms <= 3.4.3 - Unauthenticated PHP Object Injection via Form Entry Metadata",
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"references": [
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{
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"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2693ae37-790d-4b18-a9ec-054c8c27b8bc?source=cve"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.3/includes/admin/views/html-admin-page-entries-view.php#L133"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/everest-forms/trunk/includes/admin/views/html-admin-page-entries-view.php#L133"
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},
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{
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"url": "https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.3/includes/evf-core-functions.php#L5594"
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},
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{
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"url": "https://plugins.trac.wordpress.org/changeset/3489938/everest-forms/tags/3.4.4/readme.txt?old=3464753&old_path=everest-forms%2Ftags%2F3.4.3%2Freadme.txt"
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},
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{
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"url": "https://plugins.trac.wordpress.org/changeset?old_path=/everest-forms/tags/3.4.3&new_path=/everest-forms/tags/3.4.4"
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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-502 Deserialization of Untrusted Data",
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"cweId": "CWE-502",
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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:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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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": "Karuppiah Sabari Kumar"
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}
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],
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"timeline": [
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{
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"time": "2026-02-26T20:24:52.000Z",
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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": "2026-04-07T11:35:53.000Z",
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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": "2026-04-08T14:21:41.571035Z",
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"id": "CVE-2026-3296",
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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": "yes"
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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": "2026-04-08T14:21:50.499Z"
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}
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}
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]
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}
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} |