CVE-2020-6816 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00419.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Mozilla	Bleach

Configuration 1 [-]

cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DSA	DSA-4643-1	python-bleach security update
EUVD	EUVD-2020-0055	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.
Github GHSA	GHSA-m6xf-fq7q-8743	Bleach vulnerable to mutation XSS via whitelisted math or svg and raw tag

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://advisory.checkmarx.net/advisory/CX-2020-4277
https://github.com/mozilla/bleach/security/advisories/GHSA-m6xf-fq7q-8743
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5/
https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach

History

No history.

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-03-24T21:15:40

Updated: 2024-08-04T09:11:05.111Z

Reserved: 2020-01-10T00:00:00

Link: CVE-2020-6816

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-03-24T22:15:12.657

Modified: 2024-11-21T05:36:13.997

Link: CVE-2020-6816

Redhat

No data.

OpenCVE Enrichment

No data.

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