CVE-2018-1000559: Qutebrowser

Medium severity, CVSS 6.1. EPSS: 1.5% chance of exploitation in the next 30 days.

qutebrowser version introduced in v0.11.0 (1179ee7a937fb31414d77d9970bac21095358449) contains a Cross Site Scripting (XSS) vulnerability in history command, qute://history page that can result in Via injected JavaScript code, a website can steal the user's browsing history. This attack appear to be exploitable via the victim must open a page with a specially crafted <title> attribute, and then open the qute://history site via the :history command. This vulnerability appears to have been fixed in fixed in v1.3.3 (4c9360237f186681b1e3f2a0f30c45161cf405c7, to be released today) and v1.4.0 (5a7869f2feaa346853d2a85413d6527c87ef0d9f, released later this week).

Affected products

• Qutebrowser Qutebrowser: from 0.11.0, before 1.3.3 (fixed in 1.3.3)

Published 2018-06-26. Last modified 2026-06-17.