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Vulnerabilities CVE-2026-73329

CVE-2026-73329

Critical
Open
TLP:CLEAR

CamaleonCMS Stored XSS via Draft Post Title Creation Endpoint

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Description

CamaleonCMS contains a stored cross-site scripting vulnerability that allows authenticated low-privileged users to execute arbitrary JavaScript in an administrator's browser by injecting unsanitized HTML payloads into the post title parameter during draft creation. Attackers can submit a malicious HTML payload as a draft title through the drafts creation endpoint, which is persisted to the database without escaping and later rendered as raw HTML in the admin drafts listing, enabling administrator session compromise, cookie theft, and forged authenticated requests.

Details

CVSS Score
9.2
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Confidence
90%
Published
Aug 12, 2026
Last Modified
Aug 12, 2026
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