cve-2025-5266
Vulnerability from cvelistv5
Published
2025-05-27 12:29
Modified
2025-06-11 12:07
Severity ?
EPSS score ?
Summary
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Mozilla | Firefox | |
Mozilla | Firefox ESR | |
Mozilla | Thunderbird | |
Mozilla | Thunderbird |
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This vulnerability affects Firefox \u003c 139, Firefox ESR \u003c 128.11, Thunderbird \u003c 139, and Thunderbird \u003c 128.11." } ], "value": "Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox \u003c 139, Firefox ESR \u003c 128.11, Thunderbird \u003c 139, and Thunderbird \u003c 128.11." } ], "problemTypes": [ { "descriptions": [ { "description": "Script element events leaked cross-origin resource status", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2025-06-11T12:07:47.672Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla" }, "references": [ { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1965628" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-42/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-44/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-45/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2025-46/" } ] } }, "cveMetadata": { "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2025-5266", "datePublished": "2025-05-27T12:29:25.084Z", "dateReserved": "2025-05-27T12:29:24.726Z", "dateUpdated": "2025-06-11T12:07:47.672Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-5266\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2025-05-27T13:15:22.403\",\"lastModified\":\"2025-06-11T12:15:27.730\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox \u003c 139, Firefox ESR \u003c 128.11, Thunderbird \u003c 139, and Thunderbird \u003c 128.11.\"},{\"lang\":\"es\",\"value\":\"Los elementos de script que cargaban recursos de origen cruzado generaban eventos de carga y error que filtraban informaci\u00f3n, lo que facilitaba los ataques XS-Leaks. Esta vulnerabilidad afecta a Firefox \u0026lt; 139 y Firefox ESR \u0026lt; 128.11.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*\",\"versionEndExcluding\":\"128.11.0\",\"matchCriteriaId\":\"4BA097AB-46D1-4C4E-9856-9109237940C3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*\",\"versionEndExcluding\":\"139.0\",\"matchCriteriaId\":\"E2C0FE7C-6F8E-4F1D-A768-914194586E0C\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1965628\",\"source\":\"security@mozilla.org\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2025-42/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2025-44/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2025-45/\",\"source\":\"security@mozilla.org\"},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2025-46/\",\"source\":\"security@mozilla.org\"}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.