Musetheque V4 CSRF Vulnerability (CVE-2026-28761) Poses High Risk
A high-severity Cross-Site Request Forgery (CSRF) vulnerability, tracked as CVE-2026-28761, has been identified in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier. The National Vulnerability Database assigns this a CVSSv3 score of 8.1 (High), highlighting its significant potential impact.
This flaw allows attackers to trick authenticated users into executing unintended actions. If a user, logged into an affected Musetheque V4 product, visits a malicious web page, the attacker can leverage their session to perform operations with the user’s privileges. The National Vulnerability Database indicates this could lead to high impact on confidentiality and integrity, although availability is not directly affected.
The core issue is a lack of proper CSRF protection, a common oversight in web applications. Defenders need to recognize that this isn’t a direct server compromise, but rather an abuse of trust between the user’s browser and the vulnerable application. The attacker’s calculus here is to exploit user interaction, turning a seemingly innocuous click into a privileged action within the target system.
What This Means For You
- If your organization uses Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 or earlier, you are exposed. This isn't theoretical; CSRF attacks are a bread and butter for many attackers. You need to identify all instances of this software immediately. Prioritize patching or implementing compensating controls to prevent unauthorized actions via user sessions. Train your users to be extremely cautious about clicking links, especially when authenticated to critical systems.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Musetheque V4 CSRF - Unexpected Operation Attempt - CVE-2026-28761
title: Musetheque V4 CSRF - Unexpected Operation Attempt - CVE-2026-28761
id: scw-2026-05-15-ai-1
status: experimental
level: high
description: |
Detects potential CSRF exploitation against Musetheque V4 by looking for POST requests to specific application paths that result in a successful operation (200 status code). This targets the vulnerability described in CVE-2026-28761 where logged-in users viewing a malicious page can trigger unexpected operations.
author: SCW Feed Engine (AI-generated)
date: 2026-05-15
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-28761/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/ipk/v4l1/rev2203.0/'
cs-method:
- 'POST'
sc-status:
- '200'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-28761 | CSRF | Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 15, 2026 at 09:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
Believe this infringes your rights? Submit a takedown request.
Related coverage
CVE-2026-6646 — Cross-Site Scripting (XSS)
CVE-2026-6646 — The The7 theme for WordPress is vulnerable to Stored Cross-Site Scripting via the 'dt_default_button' shortcode in all versions up to, and including, 14.3.2....
CVE-2026-4094: WooCommerce Currency Switcher Plugin Vulnerable to Data Loss
CVE-2026-4094 — The FOX – Currency Switcher Professional for WooCommerce plugin for WordPress is vulnerable to unauthorized data loss due to a missing capability check...
VMware Fusion TOCTOU Flaw Grants Root Privileges
CVE-2026-41702 — VMware Fusion contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administrative user...