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CVE-2024-36522: Apache Wicket: Remote code execution via XSLT injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-12 · updated 2026-06-17
• Weakness: CWE-74

Description

The default configuration of XSLTResourceStream.java is vulnerable to remote code execution via XSLT injection when processing input from an untrusted source without validation. Users are recommended to upgrade to versions 10.1.0, 9.18.0 or 8.16.0, which fix this issue.

Affected products

• Apache Software Foundation Apache Wicket: from 8.0.0 before 8.16.0; from 9.0.0 before 9.18.0; 10.0.0-milestone1, 10.0.0-milestone2 — fixed in 8.16.0, 9.18.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Wicket 8.16.0, 9.18.0. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2024/07/12/2
• https://lists.apache.org/thread/w613qh7yors840pbx00l1pq6wkl9jzkc
• http://www.openwall.com/lists/oss-security/2024/07/12/2
• https://lists.apache.org/thread/w613qh7yors840pbx00l1pq6wkl9jzkc

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