Cyber Resilience

CVE-2025-69411

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0683 91.5th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-69411 is a high-severity Path Traversal (CWE-22) vulnerability. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 8.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-69411 is a path traversal vulnerability (CWE-22) affecting the ionCube tester plus WordPress plugin by Robert Seyfriedsberger. The flaw stems from improper limitation of pathnames to restricted directories and impacts all versions through 1.3, enabling unauthorized access to files on the underlying server.

Unauthenticated remote attackers can exploit the issue over the network with low complexity to read arbitrary files, resulting in high confidentiality impact without requiring user interaction or credentials. The CVSS 7.5 score reflects this exposure in publicly reachable WordPress installations.

The Patchstack advisory at the provided reference URL catalogs the issue as an arbitrary file download vulnerability in the plugin. EPSS for the CVE rose from a low baseline to a peak of 0.1227 on 2026-04-20 before receding to the current value of 0.0683, indicating a temporary increase in exploitation interest after disclosure.

EU & UK References

Vulnerability details

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Robert Seyfriedsberger ionCube tester plus ioncube-tester-plus allows Path Traversal.This issue affects ionCube tester plus: from n/a through <= 1.3.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
Why these techniques?

Path traversal in public-facing WordPress plugin directly enables remote exploitation (T1190) and arbitrary local file access/download (T1005).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

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CVE-2026-3405Shared CWE-22
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CVE-2026-23850Shared CWE-22

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

SI-10 directly prevents path traversal by requiring validation of user-supplied pathnames to ensure they remain within restricted directories.

prevent

SI-2 requires timely identification, reporting, and correction of software flaws like this path traversal vulnerability in the ioncube-tester-plus plugin.

prevent

AC-3 enforces logical access controls that limit file access to authorized paths, mitigating unauthorized file reads resulting from path traversal.

References