CVE-2025-5263

MediumCVSS 4.3/10Last modified Oct 5, 2026

Description

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-346

Affected software

No affected versions have been published.

Timeline

Published
May 27, 2025
Last modified
Oct 5, 2026
NVD status
Modified

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