Vikinger Plugin up to 1.9.32 on WordPress vikinger_delete_activity_media_ajax denial of service

Summaryinfo

A vulnerability, which was classified as problematic, was found in Vikinger Plugin up to 1.9.32 on WordPress. The impacted element is the function vikinger_delete_activity_media_ajax. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2025-4946. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Vikinger Plugin up to 1.9.32 on WordPress. This vulnerability affects the function vikinger_delete_activity_media_ajax. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect integrity, and availability. CVE summarizes:

The Vikinger theme for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the vikinger_delete_activity_media_ajax() function in all versions up to, and including, 1.9.32. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). Note: Requires Vikinger Media plugin to be installed and active.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2025-4946 since 05/19/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19695). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Vikinger Plugin

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22
• 1.9.23
• 1.9.24
• 1.9.25
• 1.9.26
• 1.9.27
• 1.9.28
• 1.9.29
• 1.9.30
• 1.9.31
• 1.9.32

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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