CVE-2026-21132 Cross-site scripting in Samsung Internet
Remote attackers can inject arbitrary scripts into Samsung Internet, potentially executing code or bypassing security controls, requiring user interaction.
- 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-2026-21132?
CVE-2026-21132 is a medium-severity cross-site scripting vulnerability in Samsung Internet, published on 12 Oct 2026. 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
Improper input validation in Samsung Internet prior to version 30.0.5.24 allows remote attackers to inject arbitrary script. User interaction is required for triggering this vulnerability.
Which versions are affected by CVE-2026-21132?
How do I fix CVE-2026-21132?
No fix has been published for CVE-2026-21132 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-2026-21132 being exploited?
There is no known exploitation of CVE-2026-21132 in the wild and no public exploit code.
Sources
Also known as GHSA-6mm7-m528-46x8.