Medium severity6.5NVD Advisory· Published Jul 27, 2021· Updated Jun 17, 2026
CVE-2021-32796
CVE-2021-32796
Description
xmldom is an open source pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.6.0 and older do not correctly escape special characters when serializing elements removed from their ancestor. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This issue has been resolved in version 0.7.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
xmldomnpm | <= 0.6.0 | — |
@xmldom/xmldomnpm | < 0.7.0 | 0.7.0 |
Affected products
5- osv-coords3 versions
< 4.14.6-r3+ 2 more
- (no CPE)range: < 4.14.6-r3
- (no CPE)range: < 0.7.0
- (no CPE)range: <= 0.6.0
Patches
Vulnerability mechanics
References
8- github.com/xmldom/xmldom/commit/7b4b743917a892d407356e055b296dcd6d107e8bnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-5fg8-2547-mr8qghsaADVISORY
- github.com/xmldom/xmldom/security/advisories/GHSA-5fg8-2547-mr8qnvdThird Party AdvisoryWEB
- mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/nvdNot ApplicableThird Party Advisory
- nvd.nist.gov/vuln/detail/CVE-2021-32796ghsaADVISORY
- mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilitiesghsaWEB
- mattermost.com/blog/securing-xml-implementations-across-the-webghsaWEB
- www.npmjs.com/package/@xmldom/xmldomghsaWEB
News mentions
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