Description
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.
Published: 2026-10-13
Score: 5.1 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 13 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Koillection through 1.8.4 Stored XSS via Datum File Attachment Uploads
First Time appeared Benjaminjonard
Benjaminjonard koillection
Weaknesses CWE-79
CPEs cpe:2.3:a:benjaminjonard:koillection:*:*:*:*:*:*:*:*
Vendors & Products Benjaminjonard
Benjaminjonard koillection
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Benjaminjonard Koillection
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T16:53:05.007Z

Reserved: 2026-10-13T16:22:10.503Z

Link: CVE-2026-110101

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-13T17:17:33.830

Modified: 2026-10-13T17:17:33.830

Link: CVE-2026-110101

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses