Weakness (CWE)
CWE-611: Improper Restriction of XML External Entity Reference
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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Critical 9.3
SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
KEV Jul 22, 2025 -
Critical 9.3
SysAid On-Prem <= 23.3.40 Checkin Proceessing XML External Entity Injection
SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.
KEV Jul 22, 2025 -
Critical 9.8
XXE can expose crypt key and other secrets granting full admin access
Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability …
KEV Jul 17, 2024 -
Critical 9.8
mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (X…
KEV Jan 10, 2022