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CVE-2023-6164

Status: ModifiedMedium (4.8)—

The MainWP Dashboard – WordPress Manager for Multiple Websites Maintenance plugin for WordPress is vulnerable to CSS Injection via the ‘newColor’ parameter in all versions up to, and including, 4.5.1.2 due to insufficient input sanitization. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary CSS values into the site tags.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mainwp — Mainwp

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2023-6164",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
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          "version": "3.1",
          "baseScore": 2.2,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
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      "affectedData": [
        {
          "vendor": "mainwp",
          "product": "MainWP Dashboard: Self-hosted WordPress Management for Agencies",
          "versions": [
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              "version": "0",
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  ],
  "published": "2023-11-22T16:15:15.970",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
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          "value": "CWE-79"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The MainWP Dashboard  – WordPress Manager for Multiple Websites Maintenance plugin for WordPress is vulnerable to CSS Injection via the ‘newColor’ parameter in all versions up to, and including, 4.5.1.2 due to insufficient input sanitization. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary CSS values into the site tags."
    },
    {
      "lang": "es",
      "value": "El complemento MainWP Dashboard – WordPress Manager for Multiple Websites Maintenance para WordPress es vulnerable a la inyección de CSS a través del parámetro 'newColor' en todas las versiones hasta la 4.5.1.2 incluida debido a una sanitización de entrada insuficiente. Esto hace posible que atacantes autenticados, con acceso a nivel de administrador, inyecten valores CSS arbitrarios en las etiquetas del sitio."
    }
  ],
  "lastModified": "2026-06-17T06:50:11.400",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}