Are Your WordPress Sites at Risk from WP Ultimate CSV Importer Flaws?

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In a concerning development for WordPress site owners, security researchers have identified two critical vulnerabilities in the WP Ultimate CSV Importer plugin, a tool used by over 20,000 websites. The flaws were discovered through Wordfence’s Bug Bounty Program and have been deemed high-risk due to their potential impact. These vulnerabilities allow authenticated users, including those with subscriber-level access, to upload malicious files or delete essential site files, creating a substantial risk for site integrity and security.

The first vulnerability, classified as CVE-2025-2008, has a CVSS score of 8.8 and centers around an arbitrary file upload flaw. This issue arises from the plugin’s import_single_post_as_csv() function, which fails to adequately validate file types. As a result, attackers can upload malicious PHP files, which may lead to remote code execution. This flaw poses a severe threat as it can enable attackers to control the entire server environment, potentially leading to data theft, disruption, or further attacks on other systems connected to the same network.

Additionally, the second vulnerability, labeled CVE-2025-2007, has a CVSS score of 8.1 and involves an arbitrary file deletion flaw. This flaw stems from the deleteImage() function’s improper file path validation. By exploiting this vulnerability, attackers can delete crucial files such as wp-config.php, which is essential for the site’s configuration. Deleting such files would necessitate a site reset and compromise its setup process, making the site vulnerable to further attacks and data loss.

In response to these critical vulnerabilities, the developers have taken significant measures to mitigate the risks associated with the WP Ultimate CSV Importer plugin. They have released a patch that addresses both issues, ensuring that file types are properly validated and file paths are correctly checked before any delete operations are performed. Site owners are strongly encouraged to update the plugin immediately to safeguard their websites from potential exploits. Additionally, implementing stringent access controls and regularly monitoring site activity can further enhance security and prevent unauthorized actions by users with lower access levels.

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