CVE-2023-38501
copyparty vulnerable to reflected cross-site scripting via k304 parameter
Description
copyparty is file server software. Prior to version 1.8.7, the application contains a reflected cross-site scripting via URL-parameter `?k304=...` and `?setck=...`. The worst-case outcome of this is being able to move or delete existing files on the server, or upload new files, using the account of the person who clicks the malicious link. It is recommended to change the passwords of one's copyparty accounts, unless one have inspected one's logs and found no trace of attacks. Version 1.8.7 contains a patch for the issue.
How to fix CVE-2023-38501
To remediate CVE-2023-38501, upgrade the affected package to a fixed version below.
- —upgrade to 1.8.7 or later
- —upgrade to 007d948cb982daa05bc6619cd20ee55b7e834c38 or later
Is CVE-2023-38501 being exploited?
Likely — EPSS is 79.6%, placing CVE-2023-38501 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 1.8.7
- from 0, < 007d948cb982daa05bc6619cd20ee55b7e834c38 | from 0, < 1.8.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |