Is CVE-2023-26218 in the CISA KEV catalog?

No. CVE-2023-26218 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26218?

CVE-2023-26218 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2023-26218?

CVE-2023-26218 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26218?

Upgrade nimbus to 10.6.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-26218

HIGH

8.0

CVSS v3

NVD

Description

The Web Client component of TIBCO Software Inc.'s TIBCO Nimbus contains easily exploitable Reflected 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 10.6.0 and below.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

nimbusNVD

Affected:< 10.6.1Fixed in:10.6.1CVE-2023-26218derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory1

tibco.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.