CVE-2021-4443 (GCVE-0-2021-4443)
Vulnerability from cvelistv5
Published
2024-10-16 06:43
Modified
2026-04-08 16:33
Severity ?
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.
Impacted products
Vendor Product Version
quadlayers QuadMenu – Mega Menu Version: 0    2.0.6
Create a notification for this product.
Show details on NVD website


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            ],
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            "product": "wordpress_mega_menu-quadmenu",
            "vendor": "quadlayers",
            "versions": [
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        "metrics": [
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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": {
          "dateUpdated": "2024-10-16T18:22:21.423Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
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          "product": "QuadMenu \u2013 Mega Menu",
          "vendor": "quadlayers",
          "versions": [
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        }
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        }
      ],
      "metrics": [
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            "baseSeverity": "CRITICAL",
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      "providerMetadata": {
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      },
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        },
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        },
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      "timeline": [
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          "time": "2021-02-22T00:00:00.000Z",
          "value": "Disclosed"
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      "title": "WordPress Mega Menu \u003c= 2.0.6 - Arbitrary File Creation"
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  "cveMetadata": {
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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": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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