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Fencer Intel
medium 6.1

CVE-2018-1000559 json

Qutebrowser XSS Vulnerability

published 8y ago modified 4mo ago also GHSA-m4fw-77v7-924m , PYSEC-2018-26 , EUVD-2018-0129

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

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).

Patch / fix

  • pypi qutebrowser 1.3.3
  • qutebrowser qutebrowser 1.3.3
  • qutebrowser Debian 14, Debian 13, Debian 12 1.3.3-1

debian advisories DEBIAN-CVE-2018-1000559

  • qutebrowser openSUSE Tumbleweed 2.3.1-2.1

opensuse advisories openSUSE-SU-2024:11292-1

  • qutebrowser Arch Linux 1.3.3-1

arch linux advisories AVG-724

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Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/qutebrowser/qutebrowser/issues/4011 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi qutebrowser
>=0.11.0, <1.3.3
1.3.3

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.