CVE-2025-5266

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Source
https://cve.org/CVERecord?id=CVE-2025-5266
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5266.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-5266
Downstream
Related
Published
2025-05-27T13:15:22.403Z
Modified
2026-03-23T05:12:16.093936432Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

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

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5266.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "128.11.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "139.0"
            }
        ]
    }
]