CVE-2025-55030

MEDIUM EPSS 4.4%
Published Aug 19, 202510mo ago · Modified Jun 17, 20262w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Aug 19, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
4.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-640

Affected Products 1

VendorProductVersionRange
mozillafirefox* <142.0

References 2

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1976304
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-68/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.