FKIE_CVE-2021-24660

Vulnerability from fkie_nvd - Published: 2021-09-27 16:15 - Updated: 2026-06-17 03:40
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.
References
contact@wpscan.comhttps://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109eddThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109eddThird Party Advisory
Impacted products
Vendor Product Version
wpxpo postx_-_gutenberg_blocks_for_post_grid *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PostX \u2013 Gutenberg Blocks for Post Grid",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "2.4.10",
              "status": "affected",
              "version": "2.4.10",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wpxpo:postx_-_gutenberg_blocks_for_post_grid:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "E1287874-AD93-449E-8275-E11B370C69AC",
              "versionEndExcluding": "2.4.10",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The PostX \u2013 Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin\u0027s shortcode."
    },
    {
      "lang": "es",
      "value": "El plugin PostX - Gutenberg Blocks for Post Grid de WordPress versiones anteriores a 2.4.10, con el Complemento de Plantillas Guardadas activado, permite a usuarios con un rol tan bajo como el de Contribuyente llevar a cabo ataques de Cross-Site Scripting almacenado por medio del shortcode del plugin"
    }
  ],
  "id": "CVE-2021-24660",
  "lastModified": "2026-06-17T03:40:24.520",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-27T16:15:09.003",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109edd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109edd"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.