Pubblicato il 2026-08-17 · Fonte: NVD NIST
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an unauthenticated attacker could send a single request with a crafted color_scheme_id (or dark_scheme_id) cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered into a color scheme tag without escaping, the attacker could break out of the attribute and inject a tag that bypassed Discourse's nonce-based Content Security Policy, resulting in arbitrary JavaScr
Vulnerabilità con punteggio CVSS 9.3 (CRITICAL). Sfruttata attivamente: No.
Vendor: N/A
Prodotti: N/A
Applicare le patch del vendor appena disponibili. Monitorare gli advisory ufficiali.
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