XSS in Roastslav Quickdrop

CVE-2026-35608

QuickDrop is an easy-to-use file sharing application. Prior to 1.5.3, a stored XSS vulnerability exists in the file preview endpoint. The application allows SVG files to be uploaded via the /api/file/upload-chunk endpoint. An attacker can upload a specially crafted SVG file containing a JavaScript payload. When any user views the file preview, the script executes in the context of the application's domain. This vulnerability is fixed in 1.5.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-35608?
CVE-2026-35608 is a medium-severity vulnerability in Roastslav Quickdrop, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-07.
How severe is CVE-2026-35608?
Medium severity. CVSS v3 base score is 6.1 out of 10.