Security advisory

{
  "id": "52887a82cf22b29bb008c94398196b20dd9509cdb3e41b6ab206c10c21ce0e3b",
  "url": "https://osv.dev/vulnerability/CVE-2021-43785",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-43785",
    "summary": "@joeattardi/emoji-button is a Vanilla JavaScript emoji picker component. In affected versions there are two vectors for XSS attacks: a URL for a custom emoji, and an i18n string. In both of these cases, a value can be crafted such that it can insert a `script` tag into the page and execute malicious code.",
    "evidence": "osv:CVE-2021-43785",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-43785",
      "aliases": [
        "CVE-2021-43785",
        "GHSA-f34m-x9pj-62vq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/joeattardi/picmo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ef8ac84e19ff7f76c955882f7dfe2acc794d1fdb"
                },
                {
                  "fixed": "05970c09180cd27fff493e998ac5bf0468b1bb16"
                },
                {
                  "fixed": "fe54bef107eb3f74873a4018f2ff49fa124c6a2e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:emoji_button_project:emoji_button:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.6.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "05970c09180cd27fff493e998ac5bf0468b1bb16"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "fe54bef107eb3f74873a4018f2ff49fa124c6a2e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.6.0",
            "v4.5.1",
            "v4.5.0",
            "v4.4.0",
            "v4.3.0",
            "v4.2.0",
            "v4.1.0",
            "v4.0.4",
            "v4.0.3",
            "v4.0.2",
            "v4.0.1",
            "v4.0.0",
            "v3.1.1",
            "v3.1.0",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.12.1",
            "v2.12.0",
            "v2.11.1",
            "v2.11.0",
            "v2.10.0",
            "v2.9.4",
            "v2.9.3",
            "v2.9.2",
            "v2.9.1",
            "v2.9.0",
            "v2.8.3",
            "v2.8.2",
            "v2.8.1",
            "v2.8.0",
            "v2.7.3",
            "v2.7.2",
            "v2.7.1",
            "v2.7.0",
            "v2.6.1",
            "v2.6.0",
            "v2.5.4",
            "v2.5.3",
            "v2.5.2",
            "v2.5.1",
            "v2.5.0",
            "v2.4.0",
            "v2.3.0",
            "2.2.6",
            "2.2.5",
            "2.2.4",
            "2.2.3",
            "2.2.2",
            "2.2.1",
            "2.2.0",
            "2.1.2",
            "2.1.1",
            "2.1.0",
            "2.0.0",
            "1.0.1",
            "1.0.0",
            "0.7.0",
            "0.6.0",
            "0.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43785.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:03.529099552Z",
      "provider": "osv",
      "references": [
        "https://github.com/joeattardi/emoji-button/security/advisories/GHSA-f34m-x9pj-62vq",
        "https://github.com/joeattardi/emoji-button/commit/05970c09180cd27fff493e998ac5bf0468b1bb16",
        "https://github.com/joeattardi/emoji-button/commit/fe54bef107eb3f74873a4018f2ff49fa124c6a2e"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-43785",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386807,
  "published_at": "2021-11-26T19:15:08.077+00:00"
}