givanz Vvveb up to 1.0.8.4 oEmbed Proxy editor.php oEmbedProxy url server-side request forgery

Summaryinfo

A vulnerability has been found in givanz Vvveb and classified as problematic. Affected is the function oEmbedProxy of the file admin/controller/editor/editor.php of the component oEmbed Proxy. This manipulation of the argument url causes server-side request forgery. This vulnerability appears as CVE-2026-54507. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in givanz Vvveb and classified as problematic. Affected by this vulnerability is the function oEmbedProxy of the file admin/controller/editor/editor.php of the component oEmbed Proxy. The manipulation of the argument url 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. The summary by CVE is:

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.5, the oEmbedProxy() handler in admin/controller/editor/editor.php accepts an attacker-controlled url parameter and passes it to getUrl(), while validateUrl() in system/functions.php checks only the hostname string and does not validate its resolved addresses. An authenticated admin-panel user with editor/* permission can invoke GET /admin/index.php?module=editor/editor&action=oEmbedProxy with a dotted hostname or normalized loopback form that resolves to a private, loopback, link-local, or reserved address, causing the server to issue an HTTP or HTTPS request and return the response body. Storefront users and anonymous visitors cannot invoke the endpoint, but no CSRF token is required because the action uses GET. This can disclose internal service responses or cloud instance metadata and associated credentials. This issue is fixed in version 1.0.8.5.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-54507 since 06/15/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:admin/controller/editor/editor.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.0.8.5 eliminates this vulnerability.

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Productinfo

Vendor

• givanz

Name

• Vvveb

Version

• 1.0.5
• 1.0.6
• 1.0.6.1
• 1.0.7
• 1.0.7.2
• 1.0.8
• 1.0.8.1
• 1.0.8.2
• 1.0.8.3
• 1.0.8.4

Website

• Product: https://github.com/givanz/Vvveb/

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