MCO is vulnerable to Stored Cross‑Site Scripting (XSS) via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened.
Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
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Fixes
Solution
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Workaround
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References
History
Wed, 01 Jul 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | MCO is vulnerable to Stored Cross‑Site Scripting (XSS) via the application logo upload functionality. An attacker with the ability to change the application logo can upload a crafted SVG file containing malicious JavaScript code that is executed when the logo is rendered or opened. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions. | |
| Title | Stored Cross‑Site Scripting in MCO | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: CERT-PL
Published:
Updated: 2026-07-01T11:58:59.627Z
Reserved: 2026-06-11T07:44:52.179Z
Link: CVE-2026-53907
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OpenCVE Enrichment
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Weaknesses