CVE-2023-34939

Summary

CVE-2023-34939 is a newly disclosed remote code execution (RCE) vulnerability impacting Onlyoffice Community Server versions prior to 12.5.2. This issue is rooted in the UploadProgress.ashx component, which can be exploited remotely to execute arbitrary code on affected systems. Successful exploitation may result in unauthorized system access or data exfiltration, posing a significant risk to organizations using the vulnerable version of Onlyoffice Community Server. It is strongly recommended that users upgrade to the latest version as soon as possible to mitigate this threat.

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