CVE-2025-4893 jammy928 CoinExchange_CryptoExchange_Java File Upload Endpoint UploadFileUtil.java uploadLocalImage path traversal
Remote attackers can exploit a path traversal vulnerability in the file upload endpoint to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4893?
CVE-2025-4893 is a medium-severity path traversal vulnerability in jammy928 CoinExchange_CryptoExchange_Java, published on 18 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical has been found in jammy928 CoinExchange_CryptoExchange_Java up to 8adf508b996020d3efbeeb2473d7235bd01436fa. This affects the function uploadLocalImage of the file /CoinExchange_CryptoExchange_Java-master/00_framework/core/src/main/java/com/bizzan/bitrade/util/UploadFileUtil.java of the component File Upload Endpoint. The manipulation of the argument filename leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable.
Weakness: CWE-22
Which versions are affected by CVE-2025-4893?
How do I fix CVE-2025-4893?
No fix has been published for CVE-2025-4893 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-4893 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4893 exists.
Sources
Also known as GHSA-7jr4-6h99-wvp2.