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CVE-2025-15678

6.1 · MEDIUM

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file co…

Published Aug 6, 2026CWE-79EPSS 0.25%

Overview

CVE-2025-15678 is a medium-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Nexter Blocks WordPress plugin before 5.0.2 does not sanitize uploaded SVG files and allows SVG uploads for any user able to upload files (Author by default), allowing them to upload a file containing malicious JavaScript that executes when the file is accessed, leading to Stored Cross-Site Scripting.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwpscan.com/vulnerability/2405c1ef-844a-462b-8329-c09d33b255b2/

How CyberStrike helps

Frequently asked questions

What is CVE-2025-15678?

CVE-2025-15678 is a medium-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-15678?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-15678?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-15678?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-15678 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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