MGASA-2021-0260

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-23980
Published: 16 Jun 2021, 20:22
Last modified:16 Apr 2026, 04:43

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Jun 2021, 20:22
Published
Vulnerability first disclosed
16 Apr 2026, 04:43
Last Modified
Vulnerability information updated

Description

Updated python-bleach packages fix a security vulnerability It was reported that python-bleach, a whitelist-based HTML-sanitizing library, is prone to a mutation XSS vulnerability in bleach.clean when "svg" or "math" are in the allowed tags, 'p' or "br" are in allowed tags, "style", "title", "noscript", "script", "textarea", "noframes", "iframe", or "xmp" are in allowed tags and 'strip_comments=False' is set (CVE-2021-23980).

Affected Systems

  • mageia•python-bleach

    < 3.1.4-1.1.mga7

  • mageia•python-bleach

    < 3.3.0-1.mga8

References (5)