FKIE_CVE-2021-36849

Vulnerability from fkie_nvd - Published: 2022-07-20 19:15 - Updated: 2026-06-17 03:59
Severity
3.4 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
4.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Summary
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
References
audit@patchstack.comhttps://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerabilityThird Party Advisory
audit@patchstack.comhttps://wordpress.org/plugins/mashsharer/#developersRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerabilityThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/mashsharer/#developersRelease Notes, Vendor Advisory
Impacted products
Vendor Product Version
social_media_share_buttons_project social_media_share_buttons *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Social Media Share Buttons | MashShare (WordPress plugin)",
          "vendor": "Ren\u00e9 Hermenau",
          "versions": [
            {
              "lessThanOrEqual": "3.8.1",
              "status": "affected",
              "version": "\u003c= 3.8.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "audit@patchstack.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:social_media_share_buttons_project:social_media_share_buttons:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "C8042A34-2849-4C9D-BBE2-23233F4AAF65",
              "versionEndIncluding": "3.8.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Ren\u00e9 Hermenau\u0027s Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-Site Scripting (XSS) Autenticado (admin+) Almacenado en el plugin Social Media Share Buttons de Ren\u00e9 Hermenau versiones anteriores a 3.8.1 incluy\u00e9ndola en WordPress"
    }
  ],
  "id": "CVE-2021-36849",
  "lastModified": "2026-06-17T03:59:31.020",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.4,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 1.4,
        "source": "audit@patchstack.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36849",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-20T19:28:34.646853Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-07-20T19:15:08.263",
  "references": [
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"
    },
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/plugins/mashsharer/#developers"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/plugins/mashsharer/#developers"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    }
  ]
}



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