Remote Code Execution Vulnerability in WP Import – Ultimate CSV XML Importer for WordPress
CVE-2025-10057

8.8HIGH

Key Information:

Vendor

WordPress
Status
WP Import – Ultimate Csv Xml Importer For WordPress
Vendor
CVE Published:
17 September 2025

What is CVE-2025-10057?

The WP Import – Ultimate CSV XML Importer for WordPress plugin is susceptible to Remote Code Execution due to an insecure function, write_to_customfile(). This function allows authenticated users with Subscriber-level access and above to write unfiltered PHP code to a file. By injecting malicious PHP code into the customFunction.php file, attackers can trigger Remote Code Execution, potentially compromising the entire WordPress site.

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Affected Version(s)

WP Import – Ultimate CSV XML Importer for WordPress 7.20 <= 7.28

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wp-ultimate-cs...
https://plugins.trac.wordpress.org/changeset/3360428/wp-u...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Arkadiusz Hydzik
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