CVE-2019-11720 (GCVE-0-2019-11720)

Vulnerability from cvelistv5 – Published: 2019-07-23 13:17 – Updated: 2024-08-04 23:03
VLAI
Summary
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • Character encoding XSS vulnerability
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 546 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Affected: unspecified , < 68 (custom)
guessed Create a notification for this product.
Show details on NVD website
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2019-21/"
          }
        ],
        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T16:50:05+00:00",
      "cve": "CVE-2019-11720",
      "id": "CVE-2019-11720",
      "initial_release_date": "2019-07-09T00:00:00+00:00",
      "product_status:known_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: Character encoding XSS vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-11720.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-01T01:49:20Z",
      "cve": "CVE-2019-11720",
      "id": "CVE-2019-11720",
      "initial_release_date": "2023-02-15T04:12:11Z",
      "product_status:known_affected": "25",
      "product_status:recommended": "609",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-11720",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-11720.json",
      "version": "26"
    }
  }
}



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