CVE-2026-30974

MEDIUM

4.6

Description

Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This has been fixed in v1.20.11.

CVE Details

CVSS v3.1 Score4.6

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published3/10/2026

Last Modified3/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

9001:copyparty

Weaknesses (CWE)

CWE-79

References

https://github.com/9001/copyparty/commit/1c9f894e149b6be3cc7de81efc93a4ce4766e0e5(security-advisories@github.com)

https://github.com/9001/copyparty/releases/tag/v1.20.11(security-advisories@github.com)

https://github.com/9001/copyparty/security/advisories/GHSA-m6hv-x64c-27mm(security-advisories@github.com)

IOC Correlations

No correlations recorded

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