{"id":58374,"date":"2025-07-08T09:00:11","date_gmt":"2025-07-08T09:00:11","guid":{"rendered":""},"modified":"2025-09-27T08:15:09","modified_gmt":"2025-09-27T14:15:09","slug":"cve-2025-4946-arbitrary-file-deletion-vulnerability-in-vikinger-wordpress-theme","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4946-arbitrary-file-deletion-vulnerability-in-vikinger-wordpress-theme\/","title":{"rendered":"CVE-2025-4946: Arbitrary File Deletion Vulnerability in Vikinger WordPress Theme<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

In this blog post, we will be discussing a critical vulnerability, CVE-2025-4946, that affects the Vikinger theme for WordPress. This vulnerability can make your website a feasible target for malicious cyberattacks, leading to potential system compromise and data leakage. It is vital to understand the severity of this vulnerability<\/a> and take immediate action to secure your WordPress site.
\nThe vulnerability lies in an insufficient file<\/a> path validation in the vikinger_delete_activity_media_ajax() function. This loophole allows authenticated attackers, with Subscriber-level access, to delete arbitrary files on the server, possibly leading to remote code execution when a critical<\/a> file, such as wp-config.php, is deleted.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-4946
\nSeverity: High (8.1 CVSS Severity Score)
\nAttack Vector: Network
\nPrivileges Required: Low (Subscriber-level)
\nUser Interaction: Required
\nImpact: System compromise; data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Vikinger WordPress Theme<\/a> | All versions up to 1.9.32<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability stems from an insufficient file<\/a> path validation in the vikinger_delete_activity_media_ajax() function. This function, when exploited, allows authenticated attackers to delete arbitrary files<\/a> on the server. If the attacker deletes a crucial file, such as wp-config.php, they can trigger remote code execution<\/a>. This flaw gives the attacker the potential to take control of the entire system and access<\/a> sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here\u2019s a conceptual example of how an attacker might exploit<\/a> this vulnerability. They could potentially send a malicious payload within an HTTP POST request, like this:<\/p>\n

POST \/wp-admin\/admin-ajax.php HTTP\/1.1\nHost: yourwebsite.com\nContent-Type: application\/x-www-form-urlencoded\naction=vikinger_delete_activity_media_ajax&media_path=..\/..\/wp-config.php<\/code><\/pre>\n
In this example, the attacker uses the ‘media_path’ parameter to traverse the directory and specify a path<\/a> to ‘wp-config.php’, leading to its deletion and opening a door for remote code execution.
\nPlease note: this is a conceptual representation and not an actual exploit code. Always follow ethical guidelines when handling vulnerabilities<\/a>.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, users are advised to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary safeguard against potential attacks. Regularly updating and patching your WordPress themes and plugins can significantly reduce the risk of such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In this blog post, we will be discussing a critical vulnerability, CVE-2025-4946, that affects the Vikinger theme for WordPress. This vulnerability can make your website a feasible target for malicious cyberattacks, leading to potential system compromise and data leakage. It is vital to understand the severity of this vulnerability and take immediate action to […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-58374","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t