CVE-2023-4579 Persisted search terms were formatted as URLs
Attackers can spoof sites by setting a malicious default search engine, causing search terms to appear as navigated URLs in Firefox.
- 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
- Available
What is CVE-2023-4579?
CVE-2023-4579 is a low-severity vulnerability in Mozilla Firefox, published on 11 Sep 2023. 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
Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.
Which versions are affected by CVE-2023-4579?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2023-4579?
Upgrade to a fixed version.
Is CVE-2023-4579 being exploited?
There is no known exploitation of CVE-2023-4579 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-qj3f-v6p7-vxvm, UBUNTU-CVE-2023-4579.