CVE-2025-8891 - CVE House

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Status published Medium CVE-2025-8891

OceanWP <= 4.0.9 - 4.1.1 - Cross-Site Request Forgery to Ocean Extra Plugin Installation

4.3 CVSS

Vulnerability Description

The OceanWP theme for WordPress is vulnerable to Cross-Site Request Forgery in versions 4.0.9 to 4.1.1. This is due to missing or incorrect nonce validation on the oceanwp_notice_button_click() function. This makes it possible for unauthenticated attackers to install the Ocean Extra plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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:

Dmitrii Ignatyev

References

More from oceanwp

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Ocean Extra <= 2.4.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via oceanwp_library Shortcode

Ocean Social Sharing <= 2.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

OceanWP <= 4.0.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Select HTML Tag

WordPress Ocean Extra plugin <= 2.4.8 - Cross Site Scripting (XSS) vulnerability

Ocean Extra <= 2.4.6 - Unauthenticated Arbitrary Shortcode Execution

Affected Vendor

oceanwp

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Affected Software

OceanWP

Vulnerable Versions:

4.0.9

Timeline

Official Publish: August 13th, 2025

Last Modified: August 26th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1566.002 Spearphishing Link

T1204.001 Malicious Link

T1098 Account Manipulation

T1565.001 Stored Data Manipulation