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

Summary The 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. PoC https://127.0.0.1:3923/?ru&filter=.++x Impact The server becomes fully inaccessible for a long time...

CVE-2025-54796

Copyparty is a portable file server. Versions prior to 1.18.9, the 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. This is fixed in version 1.18.9...

Copyparty 1.18.6 Cross Site Scripting

Copyparty versions 1.18.6 and below suffer from a cross site scripting vulnerability...

Copyparty 1.18.6 - Reflected Cross-Site Scripting (XSS)

/ Author : Byte Reaper CVE : CVE-2025-54589 Title : Copyparty 1.18.6 - Reflected Cross-Site Scripting XSS CVE-2025-54589 is a reflected cross-site scripting XSS vulnerability in Copyparty ≤ 1.18.6 where the filter parameter is inserted into the HTML response without proper sanitization, allowing ...

CVE-2025-54589

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at /?ru, users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which reflects its value directly into a...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS via the filter parameter in the Recent Uploads page. An attacker can cause the server to become unresponsive by submitting specially crafted regular expressions. Note: This is exploitable if the Recent Uploads...

CVE-2025-54796

Copyparty is a portable file server. Versions prior to 1.18.9, the 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. This is fixed in version 1.18.9...

Copyparty 安全漏洞

Copyparty is a portable file server for ed individual developers. A security vulnerability exists in Copyparty versions prior to 1.18.9, which stems from the Recent Uploads page filter allowing arbitrary regular expressions, which may cause the server to deadlock...

CVE-2025-54796 Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page

Copyparty is a portable file server. Versions prior to 1.18.9, the 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. This is fixed in version 1.18.9...

CVE-2025-54796 Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page

Copyparty is a portable file server. Versions prior to 1.18.9, the 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. This is fixed in version 1.18.9...

CVE-2025-54796 Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page

Copyparty is a portable file server. Versions prior to 1.18.9, the 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. This is fixed in version 1.18.9...

CVE-2025-54796

CVE-2025-54796 concerns Copyparty, a portable file server. The vulnerability affects versions prior to 1.18.9 where the filter parameter on the "Recent Uploads" page accepts arbitrary RegExes. When this feature is enabled (the default), an attacker can craft a regex-based filter that deadlocks th...

CVE-2025-54796

creationtimestamp| type| source ---|---|--- 2025-08-01 21:32:31+00:00| published-proof-of-concept| https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6...

PT-2025-31710

Name of the Vulnerable Software and Affected Versions Copyparty versions prior to 1.18.9 Description Copyparty is a portable file server. The filter parameter for the "Recent Uploads" page allows arbitrary Regular Expressions RegExes. If this feature is enabled by default, an attacker can craft a...

Exploit for CVE-2025-54589

CVE-2025-54589 – Copyparty Reflected XSS Author: Byte Rea...

CVE-2025-54589 copyparty Reflected XSS via Filter Parameter

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at /?ru, users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which reflects its value directly into a block without proper escaping...

CVE-2025-54589 copyparty Reflected XSS via Filter Parameter

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at /?ru, users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which reflects its value directly into a block without proper escaping...

CVE-2025-54589

Copyparty ≤1.18.6 is vulnerable to reflected XSS via the filter parameter on the /?ru endpoint. The input is echoed into a script block without proper escaping, enabling arbitrary JavaScript execution in victim browsers for both authenticated and unauthenticated users. The issue is fixed in versi...

CVE-2025-54589 copyparty Reflected XSS via Filter Parameter

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at /?ru, users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which reflects its value directly into a block without proper escaping...

Copyparty 安全漏洞

Copyparty is a portable file server for ed individual developers. A security vulnerability exists in Copyparty 1.18.6 and earlier versions, which stems from vulnerability to a reflective cross-site scripting attack that could lead to the execution of arbitrary JavaScript code...