Threats Tagged 'bit-discourse-2026-55674'
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Threats Tagged 'bit-discourse-2026-55674'
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Discourse: Cache poisoning/XSS via color scheme cookies (CVE-2026-55674)CVE-2026-55674 0 Discourse versions prior to 2026.1.6, 2026.5.2, and 2026.6.1 contain a vulnerability where an unauthenticated attacker can inject arbitrary HTML via crafted color_scheme_id or dark_scheme_id cookies. This injection bypasses the platform's nonce-based Content Security Policy, enabling arbitrary JavaScript execution in visitors' browsers. The issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0. Join the discussion | GCVE Database | 08/21/2026, 11:26:39 UTC Added: 08/21/2026, 14:22:24 UTC |
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