FKIE_CVE-2021-24606

Vulnerability from fkie_nvd - Published: 2021-09-20 10:15 - Updated: 2026-06-17 03:40
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The Availability Calendar WordPress plugin before 1.2.1 does not escape the category attribute from its shortcode before using it in a SQL statement, leading to a SQL Injection issue, which can be exploited by any user able to add shortcode to posts/pages, such as contributor+
References
contact@wpscan.comhttps://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83Exploit, Third Party Advisory
Impacted products
Vendor Product Version
offshorewebmaster availability_calendar *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Availability Calendar",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.2.1",
              "status": "affected",
              "version": "1.2.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:offshorewebmaster:availability_calendar:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "5BEE37EC-EA9C-467B-808D-7F5B7B65A5ED",
              "versionEndExcluding": "1.2.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Availability Calendar WordPress plugin before 1.2.1 does not escape the category attribute from its shortcode before using it in a SQL statement, leading to a SQL Injection issue, which can be exploited by any user able to add shortcode to posts/pages, such as contributor+"
    },
    {
      "lang": "es",
      "value": "El plugin Availability Calendar de WordPress versiones anteriores a 1.2.1 no escapa del atributo category de su shortcode antes de usarlo en una sentencia SQL, conllevando a un problema de inyecci\u00f3n SQL, que puede ser explotado por cualquier usuario capaz de a\u00f1adir shortcode a las entradas/p\u00e1ginas, como contributor+"
    }
  ],
  "id": "CVE-2021-24606",
  "lastModified": "2026-06-17T03:40:18.993",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "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": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-20T10:15:08.930",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    }
  ]
}



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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.