CVE-2026-27136

CVE-2026-27136 affects golang.org/x/net/html. The issue arises when parsing HTML and rendering via Render, yielding an unexpected HTML tree due to duplicate attributes, which can enable XSS in applications that sanitize input HTML before rendering. The connected docs specify the vulnerability inv...

EUVD-2026-31451

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

CVE-2026-27136

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

CVE-2026-27136 Invoking duplicate attributes can cause XSS in golang.org/x/net/html

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

CVE-2026-27136

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

CVE-2026-25681

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

EUVD-2026-31446

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

CVE-2026-42502

Summary of CVE-2026-42502 : The vulnerability concerns the Go project’s HTML parsing in the package golang.org/x/net/html. The root cause is an incorrect handling of HTML elements in foreign content during parsing, which can produce an unexpected HTML tree when rendering with Render. This behavio...

CVE-2026-25681

CVE-2026-25681 affects the golang.org/x/net/html component. The root cause is an incorrect handling of character references in DOCTYPE nodes, which can cause an unexpected HTML tree when rendering and potentially enable XSS in applications that sanitize input HTML before rendering. The descriptio...

EUVD-2026-31452

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

GO-2026-5027 Invoking incorrect handling of HTML elements in foreign content in golang.org/x/net/html

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

GO-2026-5025 Invoking incorrect handling of namespaced elements in foreign content in golang.org/x/net/html

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

EUVD-2026-31377

In the Drupal 7 Term Reference Tree module, two stored XSS vectors exist in the widget/formatter rendering pipeline. Vector A token display templates: When the Token module is enabled and token display templates are configured, attacker-controlled token output e.g., term description is rendered...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which stems from using Render to render arbitrary HTML. This can lead to an unexpected HTML tree, and...

PT-2026-42780

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Parsing arbitrary HTML that is subsequently rendered using the Render function can lead to the creation of an unexpected HTML tree. This behavior can be exploite...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go. This vulnerability arises from parsing arbitrary HTML and using Render for rendering, which may lead ...

PT-2026-42783

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Parsing arbitrary HTML that is subsequently rendered using the Render function can lead to the creation of an unexpected HTML tree. This behavior can be exploite...

GHSA-32Q2-HHR5-6QVV md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

Summary A cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution ...

md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

Summary A cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution ...

Concrete CMS 跨站脚本漏洞

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS 9.5.0 and earlier had a cross-site scripting vulnerability. This vulnerability occurred due to the OAuth integration name being rendered using the t translation assistant. As a result, the...