← Vulnerability feed

Vulnerability record · CVE-2017-6503 · published 6 March 2017

CVE-2017-6503: Qbittorrent cross-site scripting vulnerability

Qbittorrent · Qbittorrent

WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.

6.1 CVSS 3.0 Medium EPSS 0.86% · top 43.2% CWE-79 · Cross-site scripting
6.1CVSS 3.0 base score, v2 4.3
0.86%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

WebUI in qBittorrent before 3.3.11 did not escape many values, which could potentially lead to XSS.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/96758
https://github.com/qbittorrent/qBittorrent/commit/6ca3e4f094da0a0017cb2d483ec1db6176bb0b16 Patch
https://www.qbittorrent.org/news.php PatchRelease Notes
http://www.securityfocus.com/bid/96758
https://github.com/qbittorrent/qBittorrent/commit/6ca3e4f094da0a0017cb2d483ec1db6176bb0b16 Patch
https://www.qbittorrent.org/news.php PatchRelease Notes

Track CVE-2017-6503 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-30801Qbittorrent hard-coded credentials vulnerabilityAll versions of the qBittorrent client through 4.5.5 use default credentials when the web user interface is enabled. The administrator is not forced …EPSS 0.91%9.8CVE-2019-13640Qbittorrent os command injection vulnerabilityIn qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp allows command injection via shell metacha…EPSS 7.9%8.1CVE-2024-51774Qbittorrent improper certificate validation vulnerabilityqBittorrent before 5.0.1 proceeds with use of https URLs even after certificate validation errors.EPSS 3.3%7.1CVE-2017-12778Qbittorrent improper authentication vulnerabilityThe UI Lock feature in qBittorrent version 3.3.15 is vulnerable to Authentication Bypass, which allows Attack to gain unauthorized access to qBittorr…EPSS 0.48%6.1CVE-2017-6504Qbittorrent improper input validation vulnerabilityWebUI in qBittorrent before 3.3.11 did not set the X-Frame-Options header, which could potentially lead to clickjacking.EPSS 0.67%5.3CVE-2025-54310Qbittorrent vulnerabilityqBittorrent before 5.1.2 does not prevent access to a local file that is referenced in a link URL. This affects rsswidget.cpp and searchjobwidget.cpp.EPSS 0.42%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed

Source: NIST National Vulnerability Database (record CVE-2017-6503), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.