XSS in 9001 Copyparty
CVE-2023-38501
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.093 (95.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- 9001 Copyparty — versions < 1.8.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-38501?
- CVE-2023-38501 is a medium-severity vulnerability in 9001 Copyparty, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2023-07-25.
- How severe is CVE-2023-38501?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2023-38501 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.