CVE-2022-39353— XMLDOM 输入验证错误漏洞

xmldom allows multiple root nodes in a DOM

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or throwing. This breaks the assumption that there is only a single root node in the tree, which led to issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7, @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround, please one of the following approaches depending on your use case: instead of searching for elements in the whole DOM, only search in the `documentElement`or reject a document with a document that has more then 1 `childNode`.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

输入验证不恰当

XMLDOM 输入验证错误漏洞

XMLDOM是jindw个人开发者的一个 W3C DOM for Node 的 JavaScript 实现。 XMLDOM 存在安全漏洞，该漏洞源于xmldom包含多个顶级元素，并将所有根节点添加到“Document”的“childNodes”集合中，但却不报告任何错误。

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