CVE-2025-54656 - CVE House
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Status published Unknown CVE-2025-54656

Apache Struts Extras: Improper Output Neutralization for Logs

Vulnerability Description

** UNSUPPORTED WHEN ASSIGNED ** Improper Output Neutralization for Logs vulnerability in Apache Struts. This issue affects Apache Struts Extras: before 2. When using LookupDispatchAction, in some cases, Struts may print untrusted input to the logs without any filtering. Specially-crafted input may lead to log output where part of the message masquerades as a separate log line, confusing consumers of the logs (either human or automated).  As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ryan Murphy of HeroDevs

References

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Affected Vendor

Apache Software Foundation

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Affected Software

Apache Struts Extras
Vulnerable Versions:
0

Timeline

Official Publish: July 30th, 2025
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-117

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.