Skip to content
OpenAdvisories

Vendor

mganss

4 known vulnerabilities.

mganss at a glance

Last 12 months
2
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 1 vulnerability March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 1 vulnerability November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202610
Sep 202600
Aug 202600
Jul 202600
Jun 202600
May 202600
Apr 202600
Mar 202600
Feb 202610
Jan 202600
Dec 202500
Nov 202500
Oct 202500
Sep 202500
Aug 202500
Jul 202500
Jun 202500
May 202500
Apr 202500
Mar 202500
Feb 202500
Jan 202500
Dec 202400

Products

HtmlSanitizer 4
All Critical High Medium Low Exploited only Public exploit

4 results · Feed

  • Medium 4.7
    CVE-2026-116538

    HtmlSanitizer before 9.2.1039 XSS via SanitizeDom Body and HTML Attributes

    HtmlSanitizer before 9.2.1039 and 10.0 prereleases before 10.0.1037-beta contains a cross-site scripting vulnerability because SanitizeDom(string) never sanitizes attributes on the html and body wrapper elements. Attackers can supply input with a second body …

    mganss HtmlSanitizer
  • Medium 6.3
    CVE-2026-25543

    HtmlSanitizer has a bypass via template tag

    HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. Prior to versions 9.0.892 and 9.1.893-beta, if the template tag is allowed, its contents are not sanitized. The template tag is a special t…

    mganss HtmlSanitizer HtmlSanitizer NuGet
  • Medium 6.1
    CVE-2023-44390

    HtmlSanitizer vulnerable to Cross-site Scripting in Foreign Content

    HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. The vulnerability occurs in configurations where foreign content is allowed, i.e. either `svg` or `math` are in the list of allowed element…

    mganss HtmlSanitizer HtmlSanitizer NuGet
  • Medium 6.1
    CVE-2020-26293

    Possible XSS bypass if style tag is allowed

    HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to XSS attacks. In HtmlSanitizer before version 5.0.372, there is a possible XSS bypass if style tag is allowed. If you have explicitly allowed the `<style…

    mganss HtmlSanitizer HtmlSanitizer NuGet