CopyParty v1.8.6 - Cross Site Scripting Detection

Copyparty is a portable file server. Versions prior to 1.8.6 are subject to a reflected cross-site scripting XSS Attack.Vulnerability that exists in the web interface of the application could allow an attacker to execute malicious javascript code by tricking users into accessing a malicious link...

Copyparty <=1.18.6 - Cross-Site Scripting Detection

Copyparty before 1.18.7 is vulnerable to reflected cross-site scripting XSS via the 'filter' parameter in the '/?ru' endpoint. Unsanitized user input is reflected in the HTML response, allowing attackers to execute arbitrary JavaScript in the context of the victim's browser. !/usr/bin/env python3...

copyparty allows Regex Denial of Service (ReDoS) in the upload listing

SummaryThe filter parameter for the "Recent uploads" page allows arbitrary Regexes. If this feature is enabled which is the default, an attacker can craft a filter which deadlocks the server. PoChttps://127.0.0.1:3923/?ru=.++x ImpactThe server becomes fully inaccessible for a long time...

PYSEC-2026-1277 copyparty has DOM-Based XSS vulnerability when displaying multimedia metadata

Summary An unauthenticated attacker is able to execute arbitrary JavaScript code in a victim's browser due to improper sanitization of multimedia tags in music files, including m3u files. Details Multimedia metadata is rendered in the web-app without sanitization. This can be exploited in two way...

PYSEC-2026-1278 copyparty renders unsanitized filenames as HTML when user uploads empty files

Summary A DOM-Based XSS was discovered in copyparty, a portable fileserver. The vulnerability is considered low-risk. Details By handing someone a maliciously-named file, and then tricking them into dragging the file into copyparty's Web-UI, an attacker could execute arbitrary javascript with the...

CVE-2026-32109

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

CVE-2026-32108

Copyparty is a portable file server. Prior to 1.20.12, there was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies when the shares feature is used for the specific purpose of creating a share of just a single file inside a folder or either the...

CVE-2026-30974

Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the...

EUVD-2026-11379

Copyparty has unexpected JavaScript execution via crafted URL to folder with .prologue.html...

Copyparty ftp/sftp: Sharing a single file did not fully restrict source-folder access

There was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies in the following scenario: The shares feature is used for the specific purpose of creating a share of just a single file inside a folder Either the FTP or SFTP server is enabled, and...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the shares feature when a single file is shared inside a folder and either the FTP or SFTP server is enabled and publicly accessible. An attacker can gain unauthorized read access to other files within the sam...

PYSEC-2026-31

Copyparty is a portable file server. Prior to 1.20.12, there was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies when the shares feature is used for the specific purpose of creating a share of just a single file inside a folder or either the...

PYSEC-2026-32

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

CVE-2026-32108

Copyparty is a portable file server. Prior to 1.20.12, there was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies when the shares feature is used for the specific purpose of creating a share of just a single file inside a folder or either the...

CVE-2026-32109

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

PYSEC-2026-31

Copyparty is a portable file server. Prior to 1.20.12, there was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies when the shares feature is used for the specific purpose of creating a share of just a single file inside a folder or either the...

PYSEC-2026-32

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

CVE-2026-32109 Copyparty has unexpected JavaScript execution via crafted URL to folder with `.prologue.html`

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

CVE-2026-32109

Copyparty (portable file server) contains a vulnerability where an attacker with both read and write permissions can upload a file named .prologue.html and craft a link to potentially execute arbitrary JavaScript in a victim’s context. The attack requires the target to click the crafted link; nor...

CVE-2026-32109 Copyparty has unexpected JavaScript execution via crafted URL to folder with `.prologue.html`

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...