CVE-2022-22760 (GCVE-0-2022-22760)

Vulnerability from cvelistv5 – Published: 2022-12-22 00:00 – Updated: 2025-04-16 14:35
VLAI
Summary
When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 14:35 UTC
CWE
  • Cross-Origin responses could be distinguished between script and non-script content-types
  • CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 545 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Affected: unspecified , < 97 (custom)
guessed Create a notification for this product.
Mozilla Thunderbird Affected: unspecified , < 91.6 (custom)
guessed Create a notification for this product.
Mozilla Firefox ESR Affected: unspecified , < 91.6 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:21:49.082Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-22760",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T14:35:05.905570Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-209",
                "description": "CWE-209 Generation of Error Message Containing Sensitive Information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-16T14:35:10.868Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "97",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "91.6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "91.6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When importing resources using Web Workers, error messages would distinguish the difference between \u003ccode\u003eapplication/javascript\u003c/code\u003e responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox \u003c 97, Thunderbird \u003c 91.6, and Firefox ESR \u003c 91.6."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Cross-Origin responses could be distinguished between script and non-script content-types",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-22T00:00:00.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
        },
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
        },
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2022-22760",
    "datePublished": "2022-12-22T00:00:00.000Z",
    "dateReserved": "2022-01-07T00:00:00.000Z",
    "dateUpdated": "2025-04-16T14:35:10.868Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-22760",
      "date": "2026-10-17",
      "epss": "0.0078",
      "percentile": "0.55074"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "Firefox",
                "vendor": "Mozilla",
                "versions": [
                  {
                    "lessThan": "97",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "product": "Thunderbird",
                "vendor": "Mozilla",
                "versions": [
                  {
                    "lessThan": "91.6",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              },
              {
                "product": "Firefox ESR",
                "vendor": "Mozilla",
                "versions": [
                  {
                    "lessThan": "91.6",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "security@mozilla.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "56478BD7-9D9D-4513-9DDF-47AAC10550BF",
                    "versionEndExcluding": "97.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "47FA8B4B-E1E9-47E3-89E2-16B66FC1F3F6",
                    "versionEndExcluding": "91.6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7310C774-9E33-4B34-83CE-CA2FB0032F01",
                    "versionEndExcluding": "91.6",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "When importing resources using Web Workers, error messages would distinguish the difference between \u003ccode\u003eapplication/javascript\u003c/code\u003e responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox \u003c 97, Thunderbird \u003c 91.6, and Firefox ESR \u003c 91.6."
          },
          {
            "lang": "es",
            "value": "Al importar recursos utilizando Web Workers, los mensajes de error distinguir\u00edan la diferencia entre respuestas \u003ccode\u003eapplication/javascript\u003c/code\u003e y respuestas sin script. Se podr\u00eda haber abusado de esto para aprender informaci\u00f3n de origen cruzado. Esta vulnerabilidad afecta a Firefox \u0026lt; 97, Thunderbird \u0026lt; 91.6 y Firefox ESR \u0026lt; 91.6."
          }
        ],
        "id": "CVE-2022-22760",
        "lastModified": "2026-06-17T04:28:59.080",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2022-22760",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T14:35:05.905570Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2022-12-22T20:15:19.773",
        "references": [
          {
            "source": "security@mozilla.org",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
          },
          {
            "source": "security@mozilla.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
          }
        ],
        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-209"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-209"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T11:54:46+00:00",
      "cve": "CVE-2022-22760",
      "id": "CVE-2022-22760",
      "initial_release_date": "2022-02-08T00:00:00+00:00",
      "product_status:fixed": "164",
      "product_status:known_affected": "4",
      "product_status:known_not_affected": "5",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: Cross-Origin responses could be distinguished between script and non-script content-types",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-22760.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T03:21:49.082Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
                  "baseScore": 6.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
                  "userInteraction": "REQUIRED",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-22760",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-04-16T14:35:05.905570Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-209",
                    "description": "CWE-209 Generation of Error Message Containing Sensitive Information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-04-16T14:34:56.494Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Firefox",
              "vendor": "Mozilla",
              "versions": [
                {
                  "lessThan": "97",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Thunderbird",
              "vendor": "Mozilla",
              "versions": [
                {
                  "lessThan": "91.6",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Firefox ESR",
              "vendor": "Mozilla",
              "versions": [
                {
                  "lessThan": "91.6",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "When importing resources using Web Workers, error messages would distinguish the difference between \u003ccode\u003eapplication/javascript\u003c/code\u003e responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox \u003c 97, Thunderbird \u003c 91.6, and Firefox ESR \u003c 91.6."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Cross-Origin responses could be distinguished between script and non-script content-types",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-12-22T00:00:00.000Z",
            "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
            "shortName": "mozilla"
          },
          "references": [
            {
              "url": "https://www.mozilla.org/security/advisories/mfsa2022-05/"
            },
            {
              "url": "https://www.mozilla.org/security/advisories/mfsa2022-04/"
            },
            {
              "url": "https://www.mozilla.org/security/advisories/mfsa2022-06/"
            },
            {
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1740985"
            },
            {
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1748503"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "assignerShortName": "mozilla",
        "cveId": "CVE-2022-22760",
        "datePublished": "2022-12-22T00:00:00.000Z",
        "dateReserved": "2022-01-07T00:00:00.000Z",
        "dateUpdated": "2025-04-16T14:35:10.868Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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

Loading timeline…




    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.