XSS in 9001 Copyparty

CVE-2023-41471

Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors w…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-41471?
CVE-2023-41471 is a high-severity vulnerability in 9001 Copyparty, classified under Cross-site Scripting. CVSS score: 7.8/10. Published 2025-08-29.
How severe is CVE-2023-41471?
High severity. CVSS v3 base score is 7.8 out of 10.