CVE-2020-6816

Medium

Description

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Mozilla Bleach

PublishedMar 24, 2020

First seenMar 24, 2020

How to fix

Update

mozilla bleach3.1.2 or later
bleach3.1.2 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/

Affected products

Product	Affected versions	Fixed in
mozilla bleach	v < 3.1.2	3.1.2
fedoraproject fedora	33	—
bleachPyPI	v < 3.1.2	3.1.2

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