deothemes Ona Plugin up to 1.26 on WordPress ona_activate_child_theme server-side request forgery

Summaryinfo

A vulnerability marked as critical has been reported in deothemes Ona Plugin up to 1.26 on WordPress. Impacted is the function ona_activate_child_theme. This manipulation causes server-side request forgery. This vulnerability is registered as CVE-2026-6812. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in deothemes Ona Plugin up to 1.26 on WordPress and classified as critical. Affected by this vulnerability is the function ona_activate_child_theme. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Ona theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.26 via the ona_activate_child_theme. This makes it possible for authenticated attackers, with administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The weakness was published by Nguyen Truong. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-6812 since 04/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but no exploit is available.

Upgrading to version 1.23.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26747). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• deothemes

Name

• Ona Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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