Description
Unauthenticated PHP Object Injection in Haaken <= 1.5 versions.
Published: 2026-10-06
Score: 8.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

Unauthenticated PHP Object Injection in Haaken theme versions 1.5 or earlier allows an attacker to supply malicious serialized data that is unserialized by the theme without proper validation. A successful exploitation grants code execution on the WordPress server, enabling file modification, code deployment, and full site compromise.

Affected Systems

WordPress sites that use the Haaken theme (Edge-Themes:Haaken) with version 1.5 or older are affected, regardless of other plugins or themes.

Risk and Exploitability

The CVSS score of 8.1 indicates high severity. Because the flaw is unauthenticated, any user with network visibility to the site can craft requests that trigger the injection. The EPSS score of 0.257% indicates a low probability of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Based on the description that it is unauthenticated PHP Object Injection, the likely attack vector is sending crafted serialized payloads via HTTP to the vulnerable endpoint.

Generated by OpenCVE AI on October 7, 2026 at 04:49 UTC.

Remediation

Vendor Solution

Update the WordPress Haaken - Fashion Store WordPress Theme theme to the latest available version (at least 1.6).

OpenCVE Recommended Actions

  • Update the Haaken theme to version 1.6 or newer.
  • If an upgrade cannot be performed immediately, deactivate or delete the Haaken theme to eliminate the vulnerable code.
  • Implement web application firewall rules to detect and block attempts to send arbitrary serialized payloads to the site.
  • Audit the WordPress installation for any residual or legacy Haaken theme files and remove them to ensure the vulnerability is fully eliminated.

Generated by OpenCVE AI on October 7, 2026 at 04:49 UTC.

Tracking

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Advisories

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History

Tue, 06 Oct 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Edge-themes
Edge-themes haaken
Wordpress-extensions
Wordpress-extensions haaken
Vendors & Products Edge-themes
Edge-themes haaken
Wordpress-extensions
Wordpress-extensions haaken

Tue, 06 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 06 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in Haaken <= 1.5 versions.
Title WordPress Haaken theme <= 1.5 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Edge-themes Haaken
Wordpress-extensions Haaken
cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-10-06T10:31:27.096Z

Reserved: 2026-10-02T12:06:55.893Z

Link: CVE-2026-104747

cve-icon Vulnrichment

Updated: 2026-10-06T10:28:08.804Z

cve-icon NVD

Status : Deferred

Published: 2026-10-06T09:17:39.643

Modified: 2026-10-06T15:04:25.990

Link: CVE-2026-104747

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T05:00:12Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data