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CVE-2017-16876

Published: 29 December 2017

Cross-site scripting (XSS) vulnerability in the _keyify function in mistune.py in Mistune before 0.8.1 allows remote attackers to inject arbitrary web script or HTML by leveraging failure to escape the "key" argument.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
mistune
Launchpad, Ubuntu, Debian
upstream
Released (0.8.1-1, 0.8.1)
impish Not vulnerable
(0.8.1-1)
jammy Not vulnerable
(0.8.1-1)
xenial Needed

kinetic Not vulnerable
(0.8.1-1)
lunar Not vulnerable
(0.8.1-1)
artful Ignored
(end of life)
bionic Not vulnerable
(0.8.1-1)
cosmic Not vulnerable
(0.8.1-1)
disco Not vulnerable
(0.8.1-1)
eoan Not vulnerable
(0.8.1-1)
focal Not vulnerable
(0.8.1-1)
groovy Not vulnerable
(0.8.1-1)
hirsute Not vulnerable
(0.8.1-1)
trusty Does not exist

zesty Ignored
(end of life)
mantic Not vulnerable
(0.8.1-1)
Patches:
upstream: https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N