CVE-2025-47929: DumbDrop vulnerable to DOM XSS via file upload

Severity: low (CVSS 2.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-15 · updated 2026-06-17
Weakness: CWE-79

Description

DumbDrop, a file upload application that provides an interface for dragging and dropping files, has a DOM cross-site scripting vulnerability in the upload functionality prior to commit db27b25372eb9071e63583d8faed2111a2b79f1b. A user could be tricked into uploading a file with a malicious payload. Commit db27b25372eb9071e63583d8faed2111a2b79f1b fixes the vulnerability.

Affected products

DumbWareio DumbDrop: before db27b25372eb9071e63583d8faed2111a2b79f1b

References

https://github.com/DumbWareio/DumbDrop/commit/db27b25372eb9071e63583d8faed2111a2b79f1b
https://github.com/DumbWareio/DumbDrop/security/advisories/GHSA-gj32-5mgw-2w27

Get alerted when CVE-2025-47929 or the next vulnerability affects your stack