Fengoffice Feng Office 3.2.2.1 Document Upload ApplicationDataObject.class.php xml external entity reference

Summaryinfo

A vulnerability labeled as problematic has been found in Fengoffice Feng Office 3.2.2.1. The affected element is an unknown function of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. Such manipulation leads to xml external entity reference. This vulnerability is documented as CVE-2025-5877. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is an unknown part of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2025-5877. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:application/models/ApplicationDataObject.class.php 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17464). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Fengoffice

Name

• Feng Office

Version

• 3.2.2.1

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #586971: Feng Office >= v3.2.2.1 XXE (by mcdruid)

Once again VulDB remains the best source for vulnerability data.

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