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CVE-2025-15546— Iptanus File Upload < 5.1.7 - File Overwrite via Race Condition

Quick assessment

Affected
Unknown Iptanus File Upload
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

nickboss Iptanus File Upload是nickboss个人开发者的一个WordPress文件上传插件。 nickboss Iptanus File Upload 5.1.7之前版本存在竞争条件问题漏洞，该漏洞源于在重复策略设置为“maintain both”时文件处理不当，由于文件存在性检查与文件写入操作之间存在TOCTOU竞争条件，可能导致经过身份验证的攻击者覆盖其他用户上传的文件。

AI Predicted 7.5 Difficulty: Hard EPSS 0.16% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Iptanus File Upload < 5.1.7 affected
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I. Basic Information for CVE-2025-15546

Vulnerability Information
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Vulnerability Title
Iptanus File Upload < 5.1.7 - File Overwrite via Race Condition
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
nickboss Iptanus File Upload 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nickboss Iptanus File Upload是nickboss个人开发者的一个WordPress文件上传插件。 nickboss Iptanus File Upload 5.1.7之前版本存在竞争条件问题漏洞，该漏洞源于在重复策略设置为“maintain both”时文件处理不当，由于文件存在性检查与文件写入操作之间存在TOCTOU竞争条件，可能导致经过身份验证的攻击者覆盖其他用户上传的文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Iptanus File Upload 0 ~ 5.1.7 -

II. Public POCs for CVE-2025-15546

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III. Intelligence Information for CVE-2025-15546

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Other References for CVE-2025-15546 (1)

IV. Related Vulnerabilities

Same product: Iptanus File Upload
Same vendor: Unknown

V. Comments for CVE-2025-15546

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