CVE-2026-50883 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via HTML injection in the highlight component of the wastebin application.
- 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-2026-50883?
CVE-2026-50883 is a critical cross-site scripting vulnerability in n/a, published on 15 Jun 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
An HTML injection vulnerability in the /src/highlight.rs component of matze wastebin v3.4.1 allows attackers to execute arbitrary scripts via a crafted payload.
Weakness: CWE-79
Which versions are affected by CVE-2026-50883?
How do I fix CVE-2026-50883?
No fix has been published for CVE-2026-50883 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-2026-50883 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50883 exists.
Sources
Also known as GHSA-ch49-46cv-33f2.