CVE-2026-41305 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape tags,...

PostCSS 跨站脚本漏洞

PostCSS is an open-source style transformation tool developed by PostCSS. Versions of PostCSS prior to 8.5.10 contained a cross-site scripting vulnerability. This vulnerability stemmed from the lack of escaping of the sequence during CSS stringification using the CSS AST. As a result, when the...

CVE-2026-41240

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214. The same fix was not...

CVE-2026-41240

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214. The same fix was not...

CVE-2026-41240 DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214. The same fix was not...

CVE-2026-41240

Summary of technical details (CVE-2026-41240) : DOMPurify prior to 3.4.0 has an inconsistency between FORBID_TAGS and FORBID_ATTR when function-based ADD_TAGS is used. The fix added an early exit for FORBID_ATTR but the FORBID_TAGS path remained unpatched, causing short-circuiting that allows for...

CVE-2026-41240 DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Versions prior to 3.4.0 have an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214. The same fix was not...

DOMPurify 跨站脚本漏洞

DOMPurify is a JavaScript-based tool developed by Cure53, designed for working with the DOM Document Object Model in HTML, MathML, and SVG. Versions of DOMPurify prior to 3.4.0 contained a cross-site scripting vulnerability. This vulnerability stemmed from inconsistencies in the handling of...

OpenTelemetry .NET 安全漏洞

OpenTelemetry .NET is the .NET client of OpenTelemetry developed by OpenTelemetry Inc. OpenTelemetry .NET versions 1.6.0-rc.1 and earlier have a security vulnerability. This vulnerability arises from the internal pooling list size growing due to a large number of spans/tags, which may lead to...

CVE-2026-3673

An authenticated attacker can store a crafted tag value in usertags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects...

GHSA-X9FJ-57FH-C8WQ Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

Summary When dynamic text is interpolated into a or tag the Marko runtime failed to prevent tag breakout when the closing tag used non-lowercase casing. An attacker able to place input inside a or block could break out of the tag with , , etc. and inject arbitrary HTML/JavaScript, resulting in...

Cross-site Scripting (XSS)

Overview @marko/runtime-tags is an Optimized runtime for Marko templates. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the handling of interpolated values within or tags due to improper case-insensitive detection of closing tags. An attacker can execute arbitrar...

CVE-2026-3673

CVE-2026-3673 affects Frappe Framework 16.10.10. An authenticated attacker can store a crafted value in _user_tags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element c...

CVE-2026-3673 Frappe Framework 16.10.0 - Stored DOM XSS in Tag Pill Renderer

An authenticated attacker can store a crafted tag value in usertags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects...

CVE-2026-3673 Frappe Framework 16.10.0 - Stored DOM XSS in Tag Pill Renderer

An authenticated attacker can store a crafted tag value in usertags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects...

CVE-2026-3673 Frappe Framework 16.10.0 - Stored DOM XSS in Tag Pill Renderer

An authenticated attacker can store a crafted tag value in usertags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects...

EUVD-2018-21785

ICEWARP 11.0.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML elements into emails by embedding base64-encoded payloads in object and embed tags. Attackers can craft emails containing data URIs with embedded scripts that execute in the client when t...

Malicious KICS Docker Images and VS Code Extensions Hit Checkmarx Supply Chain

Cybersecurity researchers have warned of malicious images pushed to the official "checkmarx/kics" Docker Hub repository. In an alert published today, software supply chain security company Socket revealed that unknown threat actors managed to have overwritten existing tags, including v2.1.20 and...

DOMPurify: FORBID_TAGS bypassed by function-based ADD_TAGS predicate (asymmetry with FORBID_ATTR fix)

There is an inconsistency between FORBIDTAGS and FORBIDATTR handling when function-based ADDTAGS is used. Commit c361baa added an early exit for FORBIDATTR at line 1214: / FORBIDATTR must always win, even if ADDATTR predicate would allow it / if FORBIDATTRlcName return false; The same fix was not...