PatchSiren cyber security CVE debrief

CVE-2025-15546 Iptanus CVE debrief

The Iptanus File Upload WordPress plugin before 5.1.7 is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition. When the duplicate policy setting is configured to 'maintain both,' an authenticated attacker can overwrite files uploaded by other users due to a TOCTOU vulnerability between the file existence check and the actual file write operation.

Vendor: Iptanus
Product: File Upload WordPress plugin
CVSS: Unknown
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-14
Original CVE updated: 2026-06-14
Advisory published: 2026-06-14
Advisory updated: 2026-06-14

Who should care

Users of the Iptanus File Upload WordPress plugin before version 5.1.7 should update to version 5.1.7 or later to mitigate this vulnerability.

Technical summary

The Iptanus File Upload WordPress plugin before 5.1.7 does not implement proper file handling when the duplicate policy 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.

Defensive priority

high

Recommended defensive actions

Update the Iptanus File Upload WordPress plugin to version 5.1.7 or later.
Review and adjust the duplicate policy setting to prevent unauthorized file overwrites.

Evidence notes

The CVE-2025-15546 vulnerability was reported by Wpscan.

Official resources

CVE-2025-15546 was published on 2026-06-14T08:16:17.040Z.