CVE-2025-5263

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-5263
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.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1960745 Permissions Required
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://www.mozilla.org/security/advisories/mfsa2025-45/
https://www.mozilla.org/security/advisories/mfsa2025-46/
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
History

11 Jun 2025, 12:15

Type Values Removed Values Added
Summary (en) 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, and Firefox ESR < 128.11. (en) 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.
References
  • () https://www.mozilla.org/security/advisories/mfsa2025-45/ -
  • () https://www.mozilla.org/security/advisories/mfsa2025-46/ -

05 Jun 2025, 14:11

Type Values Removed Values Added
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
First Time Mozilla firefox
Mozilla
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1960745 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1960745 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-42/ - () https://www.mozilla.org/security/advisories/mfsa2025-42/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-43/ - () https://www.mozilla.org/security/advisories/mfsa2025-43/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-44/ - () https://www.mozilla.org/security/advisories/mfsa2025-44/ - Vendor Advisory

28 May 2025, 15:01

Type Values Removed Values Added
Summary
  • (es) El manejo de errores durante la ejecución de scripts se aisló incorrectamente del contenido web, lo que podría haber permitido ataques de fugas de origen cruzado. Esta vulnerabilidad afecta a Firefox &lt; 139, Firefox ESR &lt; 115.24 y Firefox ESR &lt; 128.11.

27 May 2025, 16:15

Type Values Removed Values Added
CWE CWE-346
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.3

27 May 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-05-27 13:15

Updated : 2025-06-11 12:15

NVD link : CVE-2025-5263

Mitre link : CVE-2025-5263

CVE.ORG link : CVE-2025-5263

JSON object : View

Products Affected

mozilla

  • firefox
CWE
CWE-346

Origin Validation Error