CVE-2026-83611 xmldom: Parser silently accepts a not-well-formed end tag whose name is followed by a line break and trailing content

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, DOMParser.parseFromString can silently accept an end tag such as , close the element, and discard th...

CVE-2026-83611: Improper Validation of Syntactic Correctness of Input

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, DOMParser.parseFromString can silently accept an end tag such as , close the element, and discard th...