{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.0-alpha1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.0-alpha2"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "3.0.1"
              },
              {
                "fixed": "3.9.19"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.0-NA"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.0-beta1"
              }
            ]
          },
          "events": [
            {
              "introduced": "ddbcb33a40a1b901c0bcd3ed334a8a25554965a8"
            },
            {
              "fixed": "1dceaf228a25100963ee044e7c886244742ca0af"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "c1acb7e6973bd549fe35a02659fe851ff1a37dfe"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "2754dc5a2db964d74a65cb57c69b6b613b706ef8"
            }
          ],
          "repo": "https://github.com/joomla/joomla-cms",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In Joomla! before 3.9.19, lack of input validation in the heading tag option of the \"Articles - Newsflash\" and \"Articles - Categories\" modules allows XSS.",
  "id": "CVE-2020-13761",
  "modified": "2026-03-13T21:57:25.657288242Z",
  "published": "2020-06-02T20:15:10.777Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://developer.joomla.org/security-centre/813-20200601-core-xss-in-modules-heading-tag-option"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}