CVE-2021-23271: TIBCO Ebx

High severity, CVSS 8.0. EPSS: 0.9% chance of exploitation in the next 30 days.

The TIBCO EBX Web Server component of TIBCO Software Inc.'s TIBCO EBX contains a vulnerability that theoretically allows a low privileged attacker with network access to execute a Stored Cross Site Scripting (XSS) attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO EBX: versions 5.9.12 and below.

Affected products

• TIBCO Ebx: up to and including 5.9.12

Published 2021-02-02. Last modified 2026-06-17.