4.3

CVE-2025-5263

EPSS 0.04%
Published 27.05.2025 12:29:22
Last modified 11.06.2025 12:15:27
Source security@mozilla.org
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Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

Affected products Warnungen 0 Metrics 2 CWE 1 References 9

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Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox SwEditionesr Version < 115.24.0

Mozilla ≫ Firefox SwPlatform- Version < 139.0

Mozilla ≫ Firefox SwEditionesr Version >= 116.0 < 128.11.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.04%	0.132

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0	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://nvd.nist.gov/vuln/detail/CVE-2025-5263

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2025-5263

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2025-5263

EUVD