CVE-2025-8043_CVE-2025-8043

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability affects Firefox < 141 and Thunderbird < 141.

Basic Information

ID CVE-2025-8043

Source mozilla

Published Jul 22, 2025 at 20:49

Modified Jul 23, 2025 at 15:15

Affected Product

Vendor Mozilla

Product Firefox

Version unspecified

Affected Versions Mozilla Firefox unspecified
Mozilla Thunderbird unspecified

CWE Classification

CWE-451

References

{
    "lastseen": "",
    "description": "Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability affects Firefox < 141 and Thunderbird < 141.",
    "published": "2025-07-22T20:49:28.983Z",
    "modified": "2025-07-23T15:15:12.037Z",
    "type": "cve",
    "title": "CVE-2025-8043",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=1970209\nhttps://www.mozilla.org/security/advisories/mfsa2025-56/\nhttps://www.mozilla.org/security/advisories/mfsa2025-61/",
    "id": "CVE-2025-8043",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "Mozilla Firefox unspecified\nMozilla Thunderbird unspecified",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Firefox",
    "version": "unspecified",
    "vendor": "Mozilla",
    "ai_description": "",
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    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}