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CVE-2021-35499: TIBCO Nimbus Stored Cross-site Scripting (XSS) vulnerabilities

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-26 · updated 2026-06-17
• Weakness: CWE-79

Description

The Web Reporting component of TIBCO Software Inc.'s TIBCO Nimbus contains easily exploitable Stored Cross Site Scripting (XSS) vulnerabilities that allow a low privileged attacker to social engineer a legitimate user with network access to execute scripts targeting the affected system or the victim's local system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Nimbus: versions 10.4.0 and below.

Affected products

• TIBCO Software Inc. TIBCO Nimbus: through 10.4.0

References

• https://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/10/tibco-security-advisory-october-26-2021-tibco-nimbus-2021-35499
• https://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/10/tibco-security-advisory-october-26-2021-tibco-nimbus-2021-35499

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