CVE-2025-55030

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-55030
Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1976304 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-68/ Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
History

13 Apr 2026, 15:17

Type Values Removed Values Added
Summary (en) Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks This vulnerability affects Firefox for iOS < 142. (en) Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.

21 Aug 2025, 18:39

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1976304 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1976304 - Issue Tracking, Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-68/ - () https://www.mozilla.org/security/advisories/mfsa2025-68/ - Vendor Advisory
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
First Time Mozilla firefox
Mozilla

20 Aug 2025, 16:15

Type Values Removed Values Added
CWE CWE-640
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.1

20 Aug 2025, 14:40

Type Values Removed Values Added
Summary
  • (es) Firefox para iOS no respetaría un encabezado Content-Disposition de tipo Attachment y mostraría incorrectamente el contenido en línea en lugar de descargarlo, lo que potencialmente permitiría ataques XSS. Esta vulnerabilidad afecta a Firefox para iOS &lt; 142.

19 Aug 2025, 21:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-19 21:15

Updated : 2026-04-13 15:17

NVD link : CVE-2025-55030

Mitre link : CVE-2025-55030

CVE.ORG link : CVE-2025-55030

JSON object : View

Products Affected

mozilla

  • firefox
CWE
CWE-640

Weak Password Recovery Mechanism for Forgotten Password