How severe is CVE-2026-38947?

CVE-2026-38947 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-38947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-38947?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-38947 have an EU (EUVD) identifier?

Yes. CVE-2026-38947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27474.

When was CVE-2026-38947 published?

CVE-2026-38947 was published on 2026-05-05 and last updated on 2026-06-17.

CVE-2026-38947

CVE-2026-38947 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27474
Weakness: CWE-79
Published: 2026-05-05
Last modified: 2026-06-17

Description

FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin.

Frequently asked questions

What is CVE-2026-38947?: FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin.
How severe is CVE-2026-38947?: CVE-2026-38947 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-38947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-38947?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-38947 have an EU (EUVD) identifier?: Yes. CVE-2026-38947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27474.
When was CVE-2026-38947 published?: CVE-2026-38947 was published on 2026-05-05 and last updated on 2026-06-17.

References

https://github.com/fluentcms/FluentCMS/issues/2405

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