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FKIE_CVE-2021-36888

Vulnerability from fkie_nvd - Published: 2021-12-15 19:15 - Updated: 2026-06-17 03:59
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions <= 9.6.1) WordPress plugin.
References
audit@patchstack.comhttps://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromiseThird Party Advisory
audit@patchstack.comhttps://wordpress.org/plugins/image-hover-effects-ultimate/#developersRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromiseThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/image-hover-effects-ultimate/#developersRelease Notes, Vendor Advisory
Impacted products
Vendor Product Version
blocksera image_hover_effects *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Image Hover Effects Ultimate (WordPress plugin)",
          "vendor": "Oxilab",
          "versions": [
            {
              "lessThanOrEqual": "9.6.1",
              "status": "affected",
              "version": "\u003c= 9.6.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "audit@patchstack.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:blocksera:image_hover_effects:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "9395E290-2835-4C45-B914-F7B506B402EB",
              "versionEndExcluding": "9.6.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de actualizaci\u00f3n de opciones arbitrarias no autenticadas que conlleva a un compromiso total del sitio web detectada en el plugin Image Hover Effects Ultimate de WordPress (versiones anteriores a 9.6.1 incluy\u00e9ndola)"
    }
  ],
  "id": "CVE-2021-36888",
  "lastModified": "2026-06-17T03:59:34.980",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "audit@patchstack.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36888",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-03-28T16:16:29.147097Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-12-15T19:15:14.963",
  "references": [
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromise"
    },
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/plugins/image-hover-effects-ultimate/#developers"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromise"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/plugins/image-hover-effects-ultimate/#developers"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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