CVE Feed

    Dashboard / CVE / CVE-2021-23980

    CVE-2021-23980

    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.

    Published:Feb 2, 2021
    Last Modified:Mar 19, 2025
    EPS:Feb 16, 2023
    EPSS Score:0.00404
    CVSS Score:6.1

    Affected Products

    Vendor
    Mozilla
    Product
    Bleach
    Vendor
    Redhat
    Product
    Ansible Automation Platform

    Exploits

    https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High