CVE-2026-27020 Photobooth has a XSS vulnerability in user input
Attackers can inject malicious scripts via unvalidated form inputs in Photobooth, potentially executing code or hijacking user sessions.
- 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-2026-27020?
CVE-2026-27020 is a medium-severity cross-site scripting vulnerability in lukas12000 photobooth, published on 20 Feb 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
Photobooth prior to 1.0.1 has a cross-site scripting (XSS) vulnerability in user input fields. Malicious users could inject scripts through unvalidated form inputs. This vulnerability is fixed in 1.0.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-27020?
How do I fix CVE-2026-27020?
No fix has been published for CVE-2026-27020 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-2026-27020 being exploited?
There is no known exploitation of CVE-2026-27020 in the wild and no public exploit code.