CVE-2021-4443 (GCVE-0-2021-4443)
Vulnerability from cvelistv5
Published
2024-10-16 06:43
Modified
2026-04-08 16:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Summary
The WordPress Mega Menu plugin for WordPress is vulnerable to Arbitrary File Creation in versions up to, and including, 2.0.6 via the compiler_save AJAX action. This makes it possible for unauthenticated attackers to create arbitrary PHP files that can be used to execute malicious code.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| quadlayers | QuadMenu – Mega Menu |
Version: 0 ≤ 2.0.6 |
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"adp": [
{
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"cpe:2.3:a:quadlayers:wordpress_mega_menu-quadmenu:*:*:*:*:*:*:*:*"
],
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"product": "wordpress_mega_menu-quadmenu",
"vendor": "quadlayers",
"versions": [
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}
]
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"metrics": [
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"id": "CVE-2021-4443",
"options": [
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},
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},
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}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-16T18:20:57.641308Z",
"version": "2.0.3"
},
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}
],
"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
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"product": "QuadMenu \u2013 Mega Menu",
"vendor": "quadlayers",
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"version": "0",
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}
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"type": "finder",
"value": "MikelGorraiz"
}
],
"descriptions": [
{
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"value": "The WordPress Mega Menu plugin for WordPress is vulnerable to Arbitrary File Creation in versions up to, and including, 2.0.6 via the compiler_save AJAX action. This makes it possible for unauthenticated attackers to create arbitrary PHP files that can be used to execute malicious code."
}
],
"metrics": [
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"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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}
}
],
"problemTypes": [
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"descriptions": [
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],
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},
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{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/04003542-fd62-4587-9834-70e7fe8f08ef?source=cve"
},
{
"url": "https://sh3llcon.org/la-debilidad-de-wordpress/"
},
{
"url": "https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-wordpress-mega-menu-quadmenu-remote-code-execution-2-0-6/"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-02-22T00:00:00.000Z",
"value": "Disclosed"
}
],
"title": "WordPress Mega Menu \u003c= 2.0.6 - Arbitrary File Creation"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
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"dateReserved": "2024-10-15T18:21:15.617Z",
"dateUpdated": "2026-04-08T16:33:03.764Z",
"state": "PUBLISHED"
},
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"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
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"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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