CVE-2026-83608 xmldom: DocType `name` Injection Bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, the DOCUMENTTYPENODE branch in lib/dom.js validates publicId, systemId, and internalSubset under...

CVE-2026-83608 xmldom: DocType `name` Injection Bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, the DOCUMENTTYPENODE branch in lib/dom.js validates publicId, systemId, and internalSubset under...

CVE-2026-83608

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, the DOCUMENTTYPENODE branch in lib/dom.js validates publicId, systemId, and internalSubset under...

CVE-2026-83606

@xmldom/xmldom (a pure-JavaScript DOMParser/XMLSerializer module) is affected by a Regular Expression Denial of Service (ReDoS) in its processing-instruction grammar between versions 0.9.0-beta.9 and 0.9.11 . The root cause is a quadratic backtracking pattern in lib/grammar.js, where a greedy S+ ...

CVE-2026-83606 xmldom PI grammar regex ReDoS: quadratic backtracking on unterminated processing instructions

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.0-beta.9 until 0.9.11, the processing-instruction production in lib/grammar.js lets the greedy S+ separator and lazy Char? data group repeatedly repartition a long whitespace tail when...

CVE-2026-83606

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.0-beta.9 until 0.9.11, the processing-instruction production in lib/grammar.js lets the greedy S+ separator and lazy Char? data group repeatedly repartition a long whitespace tail when...

Linux Distros Unpatched Vulnerability : CVE-2026-83608

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and ...

CVE-2026-83614: Uncontrolled Resource Consumption

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom versions 0.3.0 through 0.6.0, two independent quadratic paths can cause denial of service. In lib/sax.js, parseElementStartPart...

PT-2026-89930

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.15 and 0.9.12, and in xmldom version 0.6.0 and earlier, Document.createEntityReferencename accepts an invalid name and the ENTITY REFERENCE NODE serializer...

CVE-2026-54606

SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 3.1.4, the SunEditor Embed plugin in src/plugins/modal/embed.js parses attacker-controlled raw embed HTML with DOMParser and processes the resulting DOM nodes. When an external script eleme...

CVE-2026-54606: Improper Neutralization of Input During Web Page Generation

SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 3.1.4, the SunEditor Embed plugin in src/plugins/modal/embed.js parses attacker-controlled raw embed HTML with DOMParser and processes the resulting DOM nodes. When an external script eleme...

PT-2026-82210

Name of the Vulnerable Software and Affected Versions SunEditor versions prior to 3.1.4 Description A DOM-based Cross-Site Scripting XSS issue exists in the SunEditor Embed plugin within src/plugins/modal/embed.js. The plugin uses DOMParser to parse raw embed HTML and processes the resulting DOM...

PT-2026-84278

Name of the Vulnerable Software and Affected Versions @xmldom/xmldom versions prior to 0.8.15 @xmldom/xmldom versions prior to 0.9.12 xmldom versions 0.3.0 through 0.6.0 Description Two independent quadratic paths can cause a denial of service. In the lib/sax.js file, the parseElementStartPart...

PT-2026-84277

Name of the Vulnerable Software and Affected Versions @xmldom/xmldom versions prior to 0.8.15 @xmldom/xmldom versions prior to 0.9.12 xmldom versions 0.6.0 and earlier Description In the DOMHandler.startElement function within lib/dom-parser.js, every parsed attribute is inserted using...

PT-2026-84280

Name of the Vulnerable Software and Affected Versions @xmldom/xmldom versions prior to 0.8.15 @xmldom/xmldom versions prior to 0.9.12 xmldom versions 0.6.0 and earlier Description The Document.createProcessingInstructiontarget, data function in lib/dom.js accepts an unvalidated target parameter...

PT-2026-84252

Name of the Vulnerable Software and Affected Versions xmldom versions 0.9.0-beta.9 through 0.9.10 Description The processing-instruction production in lib/grammar.js allows a greedy S+ separator and lazy Char? data group to repeatedly repartition a long whitespace tail when the closing ? is...

PT-2026-84251

Name of the Vulnerable Software and Affected Versions @xmldom/xmldom versions prior to 0.8.14 @xmldom/xmldom versions prior to 0.9.11 xmldom versions 0.6.0 and earlier Description The Element.setAttribute function calls the private createAttributename path without validating the attribute name...

CVE-2026-41675

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core "DOMParser" and "XMLSerializer" module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled processing instruction data to be serialized into XML withou...

CVE-2026-41674

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core "DOMParser" and "XMLSerializer" module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package serializes DocumentType node fields internalSubset, publicId, systemId verbatim without...

CVE-2026-41672

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core "DOMParser" and "XMLSerializer" module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled comment content to be serialized into XML without validating...