Vulnerability · Published Sep 30, 2026 · Assigned by jpcert
CVE-2026-93464
Medium 5.4
In plain English
A medium-severity cross-site scripting in baserCMS from baserCMS User Community. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.0)5.4Medium
Exploit odds (30 days)0.1%top 96.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A stored cross-site scripting vulnerability via custom content descriptions exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| baserCMS User Community | baserCMS | 0 – before 5.4.10 – before 5.3.1 |
Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N