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CVE-2018-18307: A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image...

A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field. NOTE: the vendor's position is that this is not a valid report: "The researcher used an authorized cookie to perform the request to a password-protected route. Without that session cookie, the request would have been rejected as unauthorized."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This report concerns stored cross-site scripting in AlchemyCMS 4.1.0’s admin picture upload area. Business risk is mainly to authenticated CMS administration workflows, not proven public unauthenticated exposure. The vendor disputed the report because the request used an authorized session cookie for a password-protected route. Likely limited to organizations running AlchemyCMS 4.1.0 with accessible administrative picture-management functionality. The provided evidence does not support unauthenticated internet-wide exploitation or broader product/version impact beyond the named version. Treat as a targeted CMS administration risk, not a confirmed emergency. Prioritize if AlchemyCMS 4.1.0 is in use, admin access is broadly granted, or the CMS manages externally viewed content. Mitigation focus: Check AlchemyCMS vendor guidance for supported versions and any official fix.; Restrict CMS admin access to trusted users and protected networks.; Review admin upload and image-field handling for unsafe stored content..

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CVE-2018-18307 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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5Source links

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Affected products

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Weakness

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