CVE-2026-110101 — Koillection through 1.8.4 Stored XSS via Datum File Attachment Uploads
Koillection through 1.8.4 contains a stored cross-site scripting vulnerability that allows authenticated users to upload HTML files as Datum file attachments lacking MIME restri…
Published: 2026-10-13 · CVSS: 5.1 · CVSS 4.0
Koillection through 1.8.4 contains a stored cross-site scripting vulnerability that allows authenticated users to upload HTML files as Datum file attachments lacking MIME restrictions. Attackers can upload HTML payloads via POST /api/data/{id}/file, served as text/html from public/uploads, executing JavaScript in victims' sessions to perform actions on their behalf.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7