Stored script execution via malicious file upload
Published May 15, 2026 · Updated May 15, 2026
Stored XSS in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier lets remote authenticated users execute scripts. Fujitsu has not disclosed the specific field or encoding failure; the script triggers when the administration page displays information for the uploaded file. Exploitation requires low-privileged network access to upload the file and another user to view its information, enabling script execution in the viewer's browser without reported service interruption.
Summary
What happened
Stored XSS in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier lets remote authenticated users execute scripts. Fujitsu has not disclosed the specific field or encoding failure; the script triggers when the administration page displays information for the uploaded file. Exploitation requires low-privileged network access to upload the file and another user to view its information, enabling script execution in the viewer's browser without reported service interruption.
The record
- CVE
- CVE-2026-24662
- Published
- May 15, 2026
- Updated
- May 15, 2026
- Vendor
- Fujitsu Japan Limited
- Product
- Musetheque V4 Information Disclosure for IPKNOWLEDGE
- Classifications
- CWE-79, CAPEC-592, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- May 15, 2026CVE publishedPublication date reported by the CVE source.
- May 15, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=V4L1 rev2203.0 and earlier
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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