FKIE_CVE-2021-36855

Vulnerability from fkie_nvd - Published: 2022-09-30 17:15 - Updated: 2026-06-17 03:59
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Cross-Site Scripting (XSS) via Cross-Site Request Forgery (CSRF) vulnerability in Booking Ultra Pro plugin <= 1.1.4 at WordPress.
References
audit@patchstack.comhttps://patchstack.com/database/vulnerability/booking-ultra-pro/wordpress-booking-ultra-pro-plugin-1-1-4-cross-site-scripting-xss-via-cross-site-request-forgery-csrf-vulnerability?_s_id=cveThird Party Advisory
audit@patchstack.comhttps://wordpress.org/plugins/booking-ultra-pro/Product
af854a3a-2127-422b-91ae-364da2661108https://patchstack.com/database/vulnerability/booking-ultra-pro/wordpress-booking-ultra-pro-plugin-1-1-4-cross-site-scripting-xss-via-cross-site-request-forgery-csrf-vulnerability?_s_id=cveThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/booking-ultra-pro/Product
Impacted products
Vendor Product Version
bookingultrapro booking_ultra_pro_appointments_booking_calendar *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Booking Ultra Pro (WordPress plugin)",
          "vendor": "Booking Ultra Pro",
          "versions": [
            {
              "lessThanOrEqual": "1.1.4",
              "status": "affected",
              "version": "\u003c= 1.1.4",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "audit@patchstack.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bookingultrapro:booking_ultra_pro_appointments_booking_calendar:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "AE3BA61E-D980-4DF5-8710-727AF56CCEBC",
              "versionEndIncluding": "1.1.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-Site Scripting (XSS) via Cross-Site Request Forgery (CSRF) vulnerability in Booking Ultra Pro plugin \u003c= 1.1.4 at WordPress."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-Site Scripting (XSS) por medio de Cross-Site Request Forgery (CSRF) en el plugin Booking Ultra Pro versiones anteriores a 1.1.4 incluy\u00e9ndola, en WordPress"
    }
  ],
  "id": "CVE-2021-36855",
  "lastModified": "2026-06-17T03:59:31.653",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "audit@patchstack.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36855",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-20T19:22:56.751408Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-09-30T17:15:11.887",
  "references": [
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/booking-ultra-pro/wordpress-booking-ultra-pro-plugin-1-1-4-cross-site-scripting-xss-via-cross-site-request-forgery-csrf-vulnerability?_s_id=cve"
    },
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Product"
      ],
      "url": "https://wordpress.org/plugins/booking-ultra-pro/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/booking-ultra-pro/wordpress-booking-ultra-pro-plugin-1-1-4-cross-site-scripting-xss-via-cross-site-request-forgery-csrf-vulnerability?_s_id=cve"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://wordpress.org/plugins/booking-ultra-pro/"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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