CVE-2018-1000559: Qutebrowser XSS Vulnerability

CVE-2018-1000559 · Severity: low · CVSS 3 · Published 2018-06-26

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).

Technologies: qutebrowser (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2018-1000559 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-1000559 being exploited in the wild.
How severe is CVE-2018-1000559?
Low severity, with a CVSS score of 3, published 26 June 2018.
Which products and versions are affected?
qutebrowser (PyPI) ECOSYSTEM:introduced=0.11.0,fixed=1.3.3, GIT:introduced=0,fixed=5a7869f2feaa346853d2a85413d6527c87ef0d9f,fixed=4c9360237f186681b1e3f2a0f30c45161cf405c7|ECOSYSTEM:introduced=0.11.0,fixed=1.3.3.
Is there a fix for CVE-2018-1000559?
Yes. qutebrowser (PyPI): upgrade to 1.3.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-1000559?
Check whether you run qutebrowser (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • qutebrowser (PyPI): upgrade to 1.3.3 or later
    pip install "qutebrowser>=1.3.3"

Affected products

  • qutebrowser (PyPI) ECOSYSTEM:introduced=0.11.0,fixed=1.3.3, GIT:introduced=0,fixed=5a7869f2feaa346853d2a85413d6527c87ef0d9f,fixed=4c9360237f186681b1e3f2a0f30c45161cf405c7|ECOSYSTEM:introduced=0.11.0,fixed=1.3.3

Identifiers

  • CVE-2018-1000559
  • GHSA-m4fw-77v7-924m
  • PYSEC-2018-26

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