CVE-2023-41471: copyparty XSS — Exploit

Description

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 who already have write access to the server, and they can more simply upload HTML files containing JavaScript.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
9001	copyparty	All

References

Exploits

https://github.com/Trinity-SYT-SECURITY/XSS_vuln_issue/blob/main/copyparty.md

Other References

https://github.com/9001/copyparty https://github.com/9001/copyparty/releases/tag/v1.9.2

Frequently Asked Questions

What is 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 who already have write access to the server, and they can more simply upload HTML files containing JavaScript. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-41471? +

CVE-2023-41471 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-41471? +

CVE-2023-41471 affects products from 9001, specifically: copyparty. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-41471? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-41471