CVE-2021-23271: TIBCO EBX Cross Site Scripting (XSS)

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-02 · updated 2026-06-17
Weakness: CWE-79

Description

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 Software Inc. TIBCO EBX: through 5.9.12

References

http://www.tibco.com/services/support/advisories
https://www.tibco.com/support/advisories/2021/02/tibco-security-advisory-february-2-2021-tibco-ebx
http://www.tibco.com/services/support/advisories
https://www.tibco.com/support/advisories/2021/02/tibco-security-advisory-february-2-2021-tibco-ebx

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