6.1
Medium
CVE-2025-55030 Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox for iOS 142 | earliest → < 142 | 142 |
Other CVEs of Firefox for iOS
The 60 CVEs of Firefox for iOS →
CVE-2026-116631
A malicious web page could open a tel link in a window that was showing a different website, causing the phone-call…
5.4
Medium
CVE-2026-116632
A malicious web page could insert arbitrary text into the FaceTime call prompt shown by iOS, potentialy allowing it to…
5.4
Medium
CVE-2026-103417
Firefox for iOS could autofill saved credentials into a new page if cross-origin navigation occurred while the…
5.5
Medium
CVE-2026-103418
Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing…
8.8
High