Description: xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents.
CVE-2021-21366
Published Date: 2021-03-12T17:15Z
Last Modified: 2023-02-28T19:24Z
CVSS Score: 4.3 (MEDIUM)
EPSS Score: 0.30%
Risk Score: 3.01 (MEDIUM)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
4.3 |
EPSS:
0.3%
Mitre ATT&CK Technical v15.1
T1059.007 – JavaScript
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
https://github.com/xmldom/xmldom/releases/tag/0.5.0
https://www.npmjs.com/package/xmldom
https://github.com/xmldom/xmldom/commit/d4201b9dfbf760049f457f9f08a3888d48835135
https://github.com/xmldom/xmldom/security/advisories/GHSA-h6q6-9hqw-rwfv
https://lists.debian.org/debian-lts-announce/2023/01/msg00000.html
Vendor - Produce - Version
xmldom - xmldom_project, debian_linux - debian
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