Badaso CMS 2.9.11 Media Manager unrestricted upload

Summaryinfo

A vulnerability identified as critical has been detected in Badaso CMS 2.9.11. Impacted is an unknown function of the component Media Manager. The manipulation leads to unrestricted upload. This vulnerability is documented as CVE-2025-52353. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Badaso CMS 2.9.11. This issue affects some unknown functionality of the component Media Manager. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-52353 since 06/16/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2025). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

Type

• Content Management System

Vendor

• Badaso

Name

• CMS

Version

• 2.9.11

CPE 2.3info

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• 🔒

CPE 2.2info

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• 🔒

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Duplicate

• Submit #XXXXXX: Xxxxxx X.x.xx Xxxxxxxxxxxx Xxxxxx (by hiro)

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