Vulnerability · Published Jun 15, 2026 · Assigned by mitre
CVE-2026-50883
Critical 9.6
In plain English
A critical-severity cross-site scripting in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 68.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H