4.3

CVE-2025-5263

Error handling for script execution was incorrectly isolated from web content

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEdition esr Version < 115.24.0
Mozilla ≫ Firefox SwPlatform - Version < 139.0
Mozilla ≫ Firefox SwEdition esr Version >= 116.0 < 128.11.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.152
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE-346 Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

https://www.mozilla.org/security/advisories/mfsa2025-42/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-43/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-44/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1960745
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-45/
https://www.mozilla.org/security/advisories/mfsa2025-46/
https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00043.html