CVE-2025-54144 Internal Firefox open-text URL scheme allowed loading of arbitrary URLs
Attackers can trick users into opening arbitrary URLs via Firefox's internal search scheme, bypassing security restrictions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-54144?
CVE-2025-54144 is a medium-severity vulnerability in Mozilla Firefox, published on 19 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The URL scheme used by Firefox to facilitate searching of text queries could incorrectly allow attackers to open arbitrary website URLs or internal pages if a user was tricked into clicking a link. This vulnerability was fixed in Firefox for iOS 141.
Weakness: CWE-601
Which versions are affected by CVE-2025-54144?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2025-54144?
No fix has been published for CVE-2025-54144 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-54144 being exploited?
There is no known exploitation of CVE-2025-54144 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-36p9-4jqp-qvg9.