Bestfeng · Bestfeng Oa Git Free · CVE-2025-13209
**Name of the Vulnerable Software and Affected Versions**
bestfeng oa git free versions up to 9.5
**Description**
A flaw exists in bestfeng oa git free up to version 9.5. The issue is related to the manipulation of the `writeProp` argument within the `updateWriteBack` function located in the file yimioa-oa9.5serverc-flowsrcmainjavacomcloudweboacontrollerWorkflowPredefineController.java. This manipulation can lead to XML External Entity (XXE) reference. The attack can be carried out remotely, and an exploit has been publicly released.
**Recommendations**
Versions prior to 9.5 should be updated. As a temporary workaround, consider restricting access to the `updateWriteBack` function until a patch is available.