https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-1011.htmlhttps://patchthecve.com/cve/CVE-2026-1011.htmlWed, 17 Jun 2026 10:14:52 +0000MEDIUM 6.1: A stored cross-site scripting (XSS) vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST requeshttps://patchthecve.com/cve/CVE-2026-1009.htmlhttps://patchthecve.com/cve/CVE-2026-1009.htmlWed, 17 Jun 2026 10:14:52 +0000CRITICAL 9.0: A stored cross-site scripting (XSS) vulnerability exists in the Altium Forum due to missing server-side input sanitization in forum post content. An authenticated attacker can inject arbitrary JavaScript into forum posts, which is stored and executed when other users view the affected post. Successfhttps://patchthecve.com/cve/CVE-2026-1008.htmlhttps://patchthecve.com/cve/CVE-2026-1008.htmlWed, 17 Jun 2026 10:14:52 +0000HIGH 7.6: A stored cross-site scripting (XSS) vulnerability exists in the user profile text fields of Altium 365. Insufficient server-side input sanitization allows authenticated users to inject arbitrary HTML and JavaScript payloads using whitespace-based attribute parsing bypass techniques. The injected pay