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CVE-2025-54656— Apache Struts Extras: Improper Output Neutralization for Logs

Quick assessment

Affected
Apache Software Foundation Apache Struts Extras
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Struts Extras 2是美国阿帕奇（Apache）基金会的一个Apache Struts 2框架的扩展。 Apache Struts Extras 2存在安全漏洞，该漏洞源于使用LookupDispatchAction时可能将不受信任的输入打印到日志中。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.62% · P50

Possible ATT&CK Techniques 1 AI

T1072 · Software Deployment Tools
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I. Basic Information for CVE-2025-54656

Vulnerability Information
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Vulnerability Title
Apache Struts Extras: Improper Output Neutralization for Logs
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
日志输出的转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Struts Extras 2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Struts Extras 2是美国阿帕奇（Apache）基金会的一个Apache Struts 2框架的扩展。 Apache Struts Extras 2存在安全漏洞，该漏洞源于使用LookupDispatchAction时可能将不受信任的输入打印到日志中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Struts Extras 0 ~ 2 -

II. Public POCs for CVE-2025-54656

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III. Intelligence Information for CVE-2025-54656

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IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-117