magicblack MacCMS10 2026.1000.4055 Template .%40template%40default%40html%40label.html os command injection

Summaryinfo

A vulnerability labeled as problematic has been found in magicblack MacCMS10 2026.1000.4055. Affected by this issue is some unknown functionality of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. Executing a manipulation can lead to os command injection. The identification of this vulnerability is CVE-2026-90788. The attack may be launched remotely. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability has been found in magicblack MacCMS10 2026.1000.4055 and classified as problematic. This vulnerability affects an unknown part of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-90788. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• magicblack

Name

• MacCMS10

Version

• 2026.1000.4055

Website

• Product: https://github.com/magicblack/maccms10/

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Accepted

• Submit #919268: MacCMS MacCMS10 maccms10-2026.1000.4055 OS Command Injection (by seikruun)

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