CVE-2021-23980

2023-02-1622:15:10

CWE-79

[email protected]

web.nvd.nist.gov

cve-2021-23980

mutation xss

bleach.clean

security

nvd

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

5.7 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.

Affected configurations

Vulners

NVD

Node

mozillableachRange≤3.3.0

VendorProductVersionCPE
mozillableach*cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	bleach	*	cpe:2.3:a:mozilla:bleach::::::::

CNA Affected

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