CVE-2026-30974 identifies a cross-site scripting (XSS) vulnerability in Copyparty, a portable file server, affecting versions prior to 1.20.11. An authenticated attacker with write-permission could upload a malicious SVG image containing embedded JavaScript, which would execute when another user opens it. Rated as Medium severity (CVSS 5.4), this flaw requires user interaction and could lead to low confidentiality and integrity impacts. The vulnerability has been patched in version 1.20.11. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.20.11CPE matchmatch criteria | cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
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