CVE-2023-5758 Cross-site scripting in Firefox for iOS
Attacker-controlled script can execute via reflected XSS in Firefox for iOS reader mode, requiring an upgrade to mitigate.
- 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-2023-5758?
CVE-2023-5758 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox Mobile, published on 24 Oct 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
When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to execute in a reflected Cross-Site Scripting (XSS) attack. This vulnerability affects Firefox for iOS < 119.
Weakness: CWE-79
Which versions are affected by CVE-2023-5758?
It affects 1 product.
Products include Mozilla Firefox Mobile.
How do I fix CVE-2023-5758?
No fix has been published for CVE-2023-5758 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-5758 being exploited?
There is no known exploitation of CVE-2023-5758 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox Mobile
Sources
Also known as GHSA-fpp8-6gxj-v3pg.