Iptanus File Upload Plugin up to 5.1.6 on WordPress Setting duplicatepolicy race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k7.77-

Summaryinfo

A vulnerability marked as critical has been reported in Iptanus File Upload Plugin up to 5.1.6 on WordPress. Affected by this vulnerability is an unknown functionality of the component Setting Handler. This manipulation of the argument duplicatepolicy causes race condition. This vulnerability appears as CVE-2025-15546. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Iptanus File Upload Plugin up to 5.1.6 on WordPress. It has been declared as critical. Affected by this vulnerability is an unknown code of the component Setting Handler. The manipulation of the argument duplicatepolicy with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Luca Jungnickel. It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2025-15546 since 01/26/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.1.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-210137). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: File Upload Plugin 5.1.7

Timelineinfo

01/26/2026 CVE reserved
06/14/2026 +138 days Advisory disclosed
06/14/2026 +0 days VulDB entry created
06/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Researcher: Luca Jungnickel
Status: Confirmed

CVE: CVE-2025-15546 (🔒)
GCVE (CVE): GCVE-0-2025-15546
GCVE (VulDB): GCVE-100-370843
EUVD: 🔒

Entryinfo

Created: 06/14/2026 13:45
Updated: 06/14/2026 21:31
Changes: 06/14/2026 13:45 (58), 06/14/2026 21:31 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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