Cyber Resilience

CVE-2026-22389

High

Published: 05 March 2026

Published
05 March 2026
Modified
23 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 39.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22389 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 39.1th percentile by exploit likelihood (below the median); 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-2026-22389 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion, affecting the Mikado-Themes Cocco WordPress theme in versions from n/a through 2.0. Published on 2026-03-05, it is associated with CWE-98 and carries a CVSS 3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Unauthenticated attackers can exploit this vulnerability remotely over the network, requiring high attack complexity but no user interaction or privileges. Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability, potentially enabling arbitrary file inclusion and execution of local files on the target server.

Patchstack has documented the vulnerability, specifically noting a Local File Inclusion issue in Cocco theme version 1.5.1, with details available at https://patchstack.com/database/Wordpress/Theme/cocco/vulnerability/wordpress-cocco-theme-1-5-1-local-file-inclusion-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Mikado-Themes Cocco cocco allows PHP Local File Inclusion.This issue affects Cocco: from n/a through <= 2.0.

CWE(s)
CWE-98

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.
attack.mitre.org →
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.
attack.mitre.org →
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
Why these techniques?

Public-facing WordPress theme vulnerability enables remote exploitation (T1190). LFI facilitates reading sensitive local files (T1005) and arbitrary PHP code execution (T1059).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-32384Shared CWE-98
CVE-2024-13790Shared CWE-98
CVE-2025-30846Shared CWE-98
CVE-2025-30829Shared CWE-98
CVE-2025-60057Shared CWE-98
CVE-2025-58940Shared CWE-98
CVE-2026-22476Shared CWE-98
CVE-2025-67980Shared CWE-98
CVE-2025-53248Shared CWE-98
CVE-2025-69034Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Remediates the specific PHP Local File Inclusion flaw in the Mikado-Themes Cocco WordPress theme by identifying, prioritizing, and applying patches or updates.

SI-10 Information Input Validation good match
prevent

Validates user-supplied filenames in PHP include/require statements to block path traversal and unauthorized local file access exploited by this CVE.

RA-5 Vulnerability Monitoring and Scanning partial match
detect

Monitors and scans for vulnerabilities like CVE-2026-22389 in WordPress themes, enabling detection of the presence of the affected Cocco versions.

References