CVE-2021-23980

State
Published
Severity
6.1 Medium
Published
Feb 16, 2023
Updated
Mar 19, 2025
Reserved
Jan 13, 2021

Read the record on cve.org

Description

A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.

Scores

CVSSScoreVectorSource
3.16.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCISA-ADP

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
Mozilla BleachMozilla
  • before 3.3.0Affected

References

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