CVE-2019-17022 (GCVE-0-2019-17022)

Vulnerability from cvelistv5 – Published: 2020-01-08 21:30 – Updated: 2024-08-05 01:24
VLAI
Summary
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape < and > characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CSS sanitization does not escape HTML tags
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 679 records in the last 180 days details
References
URL Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1602843 x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://seclists.org/bugtraq/2020/Jan/12 mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4600 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/4234-1/ vendor-advisoryx_refsource_UBUNTU
https://seclists.org/bugtraq/2020/Jan/18 mailing-listx_refsource_BUGTRAQ
https://access.redhat.com/errata/RHSA-2020:0085 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0086 vendor-advisoryx_refsource_REDHAT
http://packetstormsecurity.com/files/155912/Slack… x_refsource_MISC
https://access.redhat.com/errata/RHSA-2020:0111 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0120 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0123 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0127 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/4241-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2020/dsa-4603 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2020/Jan/26 mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0292 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0295 vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/202003-02 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4335-1/ vendor-advisoryx_refsource_UBUNTU
Impacted products
Vendor Product Version CPE status
Mozilla Firefox ESR Affected: before 68.4
guessed Create a notification for this product.
Mozilla Firefox Affected: before 72
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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                    "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318",
                    "vulnerable": true
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                    "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "17F256A9-D3B9-4C72-B013-4EFD878BFEA8",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E5ED5807-55B7-47C5-97A6-03233F4FBC3A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "When pasting a \u0026lt;style\u0026gt; tag from the clipboard into a rich text editor, the CSS sanitizer does not escape \u0026lt; and \u0026gt; characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node\u0027s innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR \u003c 68.4 and Firefox \u003c 72."
          },
          {
            "lang": "es",
            "value": "Al pegar un \u0026lt;style\u0026gt; etiqueta del portapapeles en un editor de texto enriquecido, el saneador CSS no escapa caracteres \u0026lt; y \u0026gt;. Debido a que la cadena resultante es pegada directamente en el nodo de texto del elemento, esto no resulta en una inyecci\u00f3n directa en la p\u00e1gina web; sin embargo, si una p\u00e1gina web posteriormente copia el innerHTML del nodo y lo asigna a otro innerHTML, esto generar\u00eda una vulnerabilidad XSS. Dos editores WYSIWYG fueron identificados con este comportamiento, pueden existir m\u00e1s. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a la versi\u00f3n  68.4 y Firefox versiones anteriores a la versi\u00f3n  72."
          }
        ],
        "id": "CVE-2019-17022",
        "lastModified": "2024-11-21T04:31:33.833",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.1,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 2.7,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2020-01-08T22:15:12.730",
        "references": [
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html"
          },
          {
            "source": "security@mozilla.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html"
          },
          {
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            "url": "http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html"
          },
          {
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              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2020:0085"
          },
          {
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            ],
            "url": "https://access.redhat.com/errata/RHSA-2020:0086"
          },
          {
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            "url": "https://access.redhat.com/errata/RHSA-2020:0111"
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          {
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          },
          {
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            "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00005.html"
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            "url": "https://seclists.org/bugtraq/2020/Jan/12"
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          },
          {
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            "url": "https://seclists.org/bugtraq/2020/Jan/26"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://security.gentoo.org/glsa/202003-02"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
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            "url": "https://usn.ubuntu.com/4234-1/"
          },
          {
            "source": "security@mozilla.org",
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          {
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            "url": "https://usn.ubuntu.com/4335-1/"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4600"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://www.debian.org/security/2020/dsa-4603"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-01/"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-02/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html"
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2020:0120"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2020:0123"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2020:0127"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2020:0292"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2020:0295"
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            "tags": [
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          {
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          {
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          },
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            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-02/"
          }
        ],
        "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": "2026-11-05T07:43:48+00:00",
      "cve": "CVE-2019-17022",
      "id": "CVE-2019-17022",
      "initial_release_date": "2019-01-01T00:00:00+00:00",
      "product_status:fixed": "115",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: CSS sanitization does not escape HTML tags",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-17022.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-10-24T23:52:28Z",
      "cve": "CVE-2019-17022",
      "id": "CVE-2019-17022",
      "initial_release_date": "2023-02-15T04:07:41Z",
      "product_status:known_affected": "25",
      "product_status:recommended": "414",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-17022",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2019-17022.json",
      "version": "23"
    }
  }
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.