CVE-2018-25164 EverSync 0.5 Arbitrary File Download via files Directory
Unauthenticated attackers can download sensitive files, including databases with credentials, from the files directory in EverSync.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-25164?
CVE-2018-25164 is a high-severity path traversal vulnerability in Phpmassmail EverSync, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
EverSync 0.5 contains an arbitrary file download vulnerability that allows unauthenticated attackers to access sensitive files by requesting them directly from the files directory. Attackers can send GET requests to the files directory to download database files like db.sq3 containing application data and credentials.
Weakness: CWE-552
Which versions are affected by CVE-2018-25164?
How do I fix CVE-2018-25164?
No fix has been published for CVE-2018-25164 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-2018-25164 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25164 exists.
Sources
Also known as GHSA-26gm-rmpq-m43w.