CVE-2026-54219 — Stored XSS in UBB.threads
UBB.threads is vulnerable to Stored XSS via user posts and user profile fields. The application fails to properly sanitize user input, allowing low privileged attackers to injec…
Published: 2026-06-18 · CVSS: 5.1 · CVSS 4.0
UBB.threads is vulnerable to Stored XSS via user posts and user profile fields. The application fails to properly sanitize user input, allowing low privileged attackers to inject arbitrary JavaScript that executes in a victim's browser upon viewing. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 7.7.5 but may also affect other versions.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7