Linux Distros Unpatched Vulnerability : CVE-2026-66010

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to...

UBUNTU-CVE-2026-66010

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-66010 DOMPurify before 3.4.12 Hook Bypass via CUSTOM_ELEMENT_HANDLING

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-43938 YAF.NET: Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger YAFNET.Core/Logger/DbLogger.cs captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column...

CVE-2026-32986

Textpattern CMS version 4.9.0 contains a second-order cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting improper sanitization of user-supplied input in Atom feed XML elements. Attackers can embed unescaped payloads in parameters such as category th...

CVE-2021-43991

CVE-2021-43991 affects Kentico Xperience CMS, version 13.0–13.0.43, with a persistent (stored/second‑order) XSS vulnerability. The public description notes that attacker‑supplied script content stored by the app can be retrieved and executed by other users, enabling attacks such as session hijack...

CVE-2021-43409

The “WPO365 | LOGIN” WordPress plugin up to and including version 15.3 by wpo365.com is vulnerable to a persistent Cross-Site Scripting XSS vulnerability also known as Stored or Second-Order XSS. Persistent XSS vulnerabilities occur when the application stores and retrieves client supplied data...

[KAPDA::#19] - Html Injection in vBulletin 3.5.2

KAPDA New advisory Vendor: http://www.vbulletin.com Vulnerable Version: 3.5.2 prior versions also may be affected Bug: Html Injection Second order cross site scripting Exploitation: Remote with browser Description: -------------------- vBulletin is a powerful, scalable and fully customizable foru...