CVE-2021-23980

2023-02-1600:00:00

mozilla

www.cve.org

cve-2021-23980

mutation xss

bleach.clean

allowed tags

strip_comments

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.6%

JSON

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.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Mozilla Bleach",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "3.3.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]