CVE-2018-3740

Publication date 30 March 2018

Last updated 17 July 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ruby-sanitize	18.10 cosmic	Not affected
	18.04 LTS bionic	Fixed 2.1.0-2+deb9u1build0.18.04.1
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Fixed 2.1.0-2+deb9u1build0.16.04.1
	14.04 LTS trusty	Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	High
Availability impact	None

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Other references

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