Weakness (CWE)
CWE-611: Improper Restriction of XML External Entity Reference
Base Draft
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
How to prevent it (1 mitigation)
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Implementation, System Configuration
Many XML parsers and validators can be configured to disable external entity expansion.
Source: MITRE CWE-611
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High 7.5CVE-2026-20320 Exploited
A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remot…
KEV Nov 10, 2026 -
High 8.2
GeoServer is vulnerable to an Unauthenticated XML External Entities (XXE) attack via WMS GetMap feature
GeoServer is an open source server that allows users to share and edit geospatial data. From version 2.26.0 to before 2.26.2 and before 2.25.6, an XML External Entity (XXE) vulnerability was identified. The application accepts XML input through a specific end…
KEV Dec 11, 2025 -
High 7.5CVE-2023-45727 Exploited
Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail …
KEV Dec 3, 2024 -
High 7.5
Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE a…
KEV Nov 3, 2021