{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.0.0"
              },
              {
                "fixed": "4.4.3"
              },
              {
                "introduced": "5.0.0"
              },
              {
                "fixed": "5.0.3"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "5f20de27b9640124ba185670a36ec40ebc9ec3f9"
            },
            {
              "fixed": "55f2082f32860eef1810da4a92214a557ad789d6"
            },
            {
              "introduced": "0e23b165e580270f5b53f9dc0c5fd17011f4bf87"
            },
            {
              "fixed": "a5e3be9a4ed11336ecb1047fcd4af9cd37b07eb2"
            }
          ],
          "repo": "https://github.com/joomla/joomla-cms",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "3.7.0"
          },
          {
            "last_affected": "3.10.15"
          }
        ],
        "source": "CPE_RANGE",
        "vendor_product": "joomla:joomla!"
      }
    ]
  },
  "details": "Inadequate content filtering leads to XSS vulnerabilities in various components.",
  "id": "CVE-2024-21726",
  "modified": "2026-07-08T05:37:47.289176105Z",
  "published": "2024-02-29T01:44:03.897Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://developer.joomla.org/security-centre/929-20240205-core-inadequate-content-filtering-within-the-filter-code.html"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.sonarsource.com/blog/joomla-multiple-xss-vulnerabilities/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}