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Vulnerability record · CVE-2026-30579 · published 20 March 2026

CVE-2026-30579: Leefish file thingie cross-site scripting vulnerability

Leefish · File Thingie

File Thingie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "upload file" functionality to upload a file with a crafted file name used to trigger a Javascript payload.

6.5 CVSS 3.1 Medium EPSS 0.24% · top 86.9% CWE-79 · Cross-site scripting
6.5CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

File Thingie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "upload file" functionality to upload a file with a crafted file name used to trigger a Javascript payload.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/SpeWnz/Vulnerability-Research/tree/main/CVE-2026-30579 Third Party Advisory
https://github.com/leefish/filethingie Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-30579), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.