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CVE-2020-6816

MEDIUM

6.1

CVSS Severity Score

EPSS Score0.1380%

EPSS Percentile33.23th

PublishedMar 24, 2020

Last ModifiedNov 21, 2024

Vulnerability 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.

Affected Platforms (CPE)

📦

Mozilla

Bleach

< 3.1.2

💻

Fedoraproject

Fedora

= 33

References & Advisories

🔗 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

🔗 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

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