https://vulnerability.circl.lu/sightings/feed 2026-05-04T19:19:36.696138+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/3c5c432b-0c9f-4b90-8de7-ccda2d0a5174/export 2026-05-04T19:19:37.013006+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "3c5c432b-0c9f-4b90-8de7-ccda2d0a5174", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-26293", "type": "seen", "source": "https://t.me/cibsecurity/21554", "content": "\u203c CVE-2020-26293 \u203c\n\nHtmlSanitizer 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 `` tag, an attacker could craft HTML that includes script after passing through the sanitizer. The default settings disallow the `` tag so there is no risk if you have not explicitly allowed the `` tag. The problem has been fixed in version 5.0.372.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-01-04T23:25:09.000000Z"} 2021-01-04T23:25:09+00:00