CVE-2026-5751

justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting mXSS vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces e.g., dropforeignnamespaces=False with allowlisted SVG/MathML elements or raw-text containers such as...

CVE-2026-5751

justhtml versions 1.13.0 and earlier are affected by a parser-differential / mutation XSS (mXSS) vulnerability. The issue occurs when a custom SanitizationPolicy preserves foreign namespaces (e.g., drop_foreign_namespaces=False with allowlisted SVG/MathML elements or raw-text containers such as )...

CVE-2026-5751 justhtml before 1.14.0 Mutation XSS via custom sanitization policies

justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting mXSS vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces e.g., dropforeignnamespaces=False with allowlisted SVG/MathML elements or raw-text containers such as...

EUVD-2026-64654

justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting mXSS vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces e.g., dropforeignnamespaces=False with allowlisted SVG/MathML elements or raw-text containers such as...

CVE-2026-5751 justhtml before 1.14.0 Mutation XSS via custom sanitization policies

justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting mXSS vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces e.g., dropforeignnamespaces=False with allowlisted SVG/MathML elements or raw-text containers such as...

CVE-2026-68921

In DiceBear versions prior to 9.4.3, @dicebear/core interpolates the rotate option without XML escaping in addRotate (svg.ts), and @dicebear/initials emits fontSize/fontWeight unescaped (index.ts). Runtime callers can pass strings despite numeric types, break out of attributes, and inject arbitra...

CVE-2026-73336 Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2

Joomla! Core - 20260806 - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs...

CVE-2026-71435

Statamic is a Laravel and Git powered content management system CMS. Prior to 5.74.3 and 6.24.2, the default "automagic" form notification email rendered user-submitted values without escaping, allowing an unauthenticated form submitter to inject HTML into the notification emails sent to the...

CVE-2026-15037

Improper output neutralization XML injection in QDom comment, CDATA, and processing-instruction serialization in Qt XML from 4.0.0 through 6.11 allows untrusted text serialized by an application into those nodes to inject arbitrary XML markup, because the node terminators are not escaped under th...

AngleSharp HTML5 Spec Compliance: mXSS via annotation-xml HTML Integration Point Bypass

Summary The HTML specification requires that a MathML element with encoding="text/html" or encoding="application/xhtml+xml" is treated as an HTML integration point. Content inside it must be parsed as HTML, not MathML. AngleSharp does not implement this correctly. As a result, the parser produces...

PT-2026-60902

Name of the Vulnerable Software and Affected Versions AngleSharp versions prior to 1.5.0 Description AngleSharp fails to correctly implement the HTML specification regarding the element. When this element has an encoding attribute set to text/html or application/xhtml+xml, it should be treated as...

PYSEC-2026-3415 Weblate: Stored HTML injection in editor search preview

Impact Weblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs inside the authenticated editor of every user who runs a matching search. Patches...

CVE-2026-10551

The Breeze Cache WordPress plugin before 2.5.6 is vulnerable to unauthenticated Stored Cross-Site Scripting XSS due to a predictable replacement hash used during the HTML minification process and abusing a regular expression. This allows an attacker to inject arbitrary HTML attributes in the fina...

CVE-2026-59895

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.0.0 before 4.12.27, cx in hono/css composes class names from plain strings but marks the result as already escaped without HTML-escaping the input, allowing untrusted className values used in a JSX class...

CVE-2026-59895

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.0.0 before 4.12.27, cx in hono/css composes class names from plain strings but marks the result as already escaped without HTML-escaping the input, allowing untrusted className values used in a JSX class...

CVE-2026-56283

Capgo before 12.128.2 contains an html injection vulnerability in the organization settings endpoint that allows attackers to inject malicious HTML content. Attackers can craft payloads in the organization name field to redirect users to untrusted websites, enabling phishing attacks and...

CVE-2026-56283

Capgo before 12.128.2 contains an html injection vulnerability in the organization settings endpoint that allows attackers to inject malicious HTML content. Attackers can craft payloads in the organization name field to redirect users to untrusted websites, enabling phishing attacks and...

CVE-2026-56283

Capgo before 12.128.2 contains an HTML injection vulnerability in the organization settings endpoint. Attackers can inject malicious HTML into the organization name field, enabling an open redirection to untrusted websites, which could facilitate phishing and reputational damage. The CVE entry no...

CVE-2026-55437 Coder vulnerable to stored HTML injection via workspace agent logs in AgentLogLine component

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.17, 2.32.7, 2.33.8, and 2.34.2, the AgentLogLine dashboard component instantiated ansi-to-html without escapeXML: true and inserted the result via dangerouslySetInnerHTML so HTML embedded...

GHSA-7QW2-F75V-62F7 Coder vulnerable to stored HTML injection via workspace agent logs in AgentLogLine component

Summary The AgentLogLine dashboard component instantiated ansi-to-html without escapeXML: true and inserted the result via dangerouslySetInnerHTML so HTML embedded in workspace agent log lines was rendered as live markup. Server-side sanitization did not neutralize HTML metacharacters. Note:...