CVE-2025-15546 Iptanus File Upload < 5.1.7 - File Overwrite via Race Condition
An authenticated attacker can overwrite other users' files via a race condition in the Iptanus File Upload WordPress plugin when duplicate policy is set to maintain both.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-15546?
CVE-2025-15546 is a medium-severity vulnerability in Unknown Iptanus File Upload, published on 14 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Iptanus File Upload WordPress plugin before 5.1.7 does not implement proper file handling when the duplicatepolicy setting is configured to "maintain both." Due to a Time-of-Check to Time-of-Use (TOCTOU) race condition between the file existence check and the actual file write operation, an authenticated attacker can overwrite files uploaded by other users.
Weakness: CWE-362
Which versions are affected by CVE-2025-15546?
How do I fix CVE-2025-15546?
No fix has been published for CVE-2025-15546 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-15546 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15546 exists.
Sources
Also known as GHSA-xwgf-8969-9fm2.