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Vulnerability record · CVE-2025-67728 · published 12 December 2025

CVE-2025-67728: Shaneisrael fireshare command injection vulnerability

Shaneisrael · Fireshare

Fireshare facilitates self-hosted media and link sharing. Versions 1.2.30 and below allow an authenticated user, or unauthenticated user if the Public Uploads setting is enabled, to craft a malicious filename when uploading a video file. The malicious filename is then concatenated directly into a shell command, which can be used for uploading files to arbitrary directories via path traversal, or executing system commands for Remote Code Execution (RCE). This issue is fixed in version 1.3.0.

9.8 CVSS 3.1 Critical EPSS 0.69% · top 49.3% CWE-77 · Command injection
9.8CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Fireshare facilitates self-hosted media and link sharing. Versions 1.2.30 and below allow an authenticated user, or unauthenticated user if the Public Uploads setting is enabled, to craft a malicious filename when uploading a video file. The malicious filename is then concatenated directly into a shell command, which can be used for uploading files to arbitrary directories via path traversal, or executing system commands for Remote Code Execution (RCE). This issue is fixed in version 1.3.0.

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

Affected products

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

References

LinkTags
https://github.com/ShaneIsrael/fireshare/commit/157386c85f6683f89192dae52115069b435b6d34 Patch
https://github.com/ShaneIsrael/fireshare/security/advisories/GHSA-c4f5-g622-q72m Vendor Advisory

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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-2025-67728), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.