critical

GHSA-4qhx-6wrv-5hg2

Account Takeover & Privilege-Escalation To Admin via Stored XSS in Menu Node Name Rendered in Admin Configure Dialog Page Content

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

No source gives a CVSS score.

Trivy's own label is CRITICAL. Rated critical by Ruby Advisory DB.

Description

An improper input sanitization vulnerability in the menu node name rendering allows Author-level users to inject stored JavaScript that executes in an Admin's browser when they open the configure dialog for a page referencing the malicious node. The payload executes with the Admin's session privileges, allowing an attacker to perform administrative actions and create an attacker-controlled administrator account, resulting in full account takeover and privilege escalation.

Affected packages and fixed versions

Source	Package	Fixed in
rubygems::Ruby Advisory Database	alchemy_cms	>= 8.3.8

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.