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CVE-2021-34628

Estado: ModificadaAlta (8.8)—

The Admin Custom Login WordPress plugin is vulnerable to Cross-Site Request Forgery due to the loginbgSave action found in the ~/includes/Login-form-setting/Login-form-background.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.2.7.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Weblizar — Admin Custom Login

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-34628",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "Weblizar",
          "product": "Admin Custom Login",
          "versions": [
            {
              "status": "affected",
              "version": "3.2.7",
              "versionType": "custom",
              "lessThanOrEqual": "3.2.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-02T21:15:08.423",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/admin-custom-login/tags/3.2.7/includes/login-form-setting/login-form-background.php#L686",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34628",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/admin-custom-login/tags/3.2.7/includes/login-form-setting/login-form-background.php#L686",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34628",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Admin Custom Login WordPress plugin is vulnerable to Cross-Site Request Forgery due to the loginbgSave action found in the ~/includes/Login-form-setting/Login-form-background.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.2.7."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress Admin Custom Login es vulnerable a un ataque de tipo Cross-Site Request Forgery debido a la acción loginbgSave encontrada en el archivo ~/includes/Login-form-setting/Login-form-background.php que permite a atacantes inyectar scripts web arbitrarios, en versiones hasta 3.2.7 incluyéndola"
    }
  ],
  "lastModified": "2026-06-17T03:56:15.627",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:weblizar:admin_custom_login:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8784E3F0-3428-45EB-AC18-C23244358790",
              "versionEndIncluding": "3.2.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}