CVE-2025-54145
Critical
Description
The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme. This vulnerability was fixed in Firefox for iOS 141.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Mozilla Firefox
PublishedAug 19, 2025
First seenAug 19, 2025
Weakness typeCWE-601Open redirect
How to fix
Update
- mozilla firefox141.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 141.0 | 141.0 |
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