Vulnerabilities in discourse
323 resultsCVE-2023-25169LOWYearly Review Plugin leaking anonymised users data in discourse-yearly-reviewEPSS 0.4%CVE-2024-54142CRITICALCross-site Scripting via Discourse-ai SharedAiConversation onebox in DiscourseEPSS 0.4%CVE-2026-72730HIGHDiscourse: Stored XSS chat-transcript username unescaped in Rich Text EditorEPSS 0.4%CVE-2025-46813MEDIUMPrivate data leak on login-required Discourse sitesEPSS 0.4%CVE-2025-48877HIGHDiscourse vulnerable to auto-executing of third-party code in embedded CodePen iframeEPSS 0.4%CVE-2022-41913MEDIUMDiscourse-calendar exposes members of hidden groupsEPSS 0.4%CVE-2023-30611MEDIUMReaction metadata exposed in private topics in Discourse-reactionsEPSS 0.4%CVE-2023-32301LOWDiscourse's canonical url not being used for topic embeddingsEPSS 0.4%CVE-2024-24817MEDIUMUser can see invitees in events created in PMs and private categoriesEPSS 0.4%CVE-2024-36113MEDIUMDiscourse missing authorization checks for suspending admins/moderatorsEPSS 0.4%CVE-2026-91159HIGHDiscourse: Stored oEmbed HTML injection via allowed iframeEPSS 0.4%CVE-2026-53962MEDIUMDiscourse: Insufficient SVG sanitization logicEPSS 0.4%CVE-2026-55424HIGHDiscourse: Topic featured link susceptible to stored XSSEPSS 0.4%CVE-2021-39161MEDIUMCross-site scripting via category name in DiscourseEPSS 0.4%CVE-2024-23654MEDIUMdiscourse-ai admin-initiated SSRF when interacting with AI servicesEPSS 0.4%CVE-2026-72720MEDIUMDiscourse: HTML injection in PrettyText.format_for_email from cooked-attribute reparsingEPSS 0.4%CVE-2026-72731HIGHDiscourse: Strip SQL comments and use non-recursive parameter interpolation in Data ExplorerEPSS 0.4%CVE-2025-49845MEDIUMDiscourse users are able to see their own whispers even after being removed from a group that has been configured to see whispersEPSS 0.4%CVE-2023-34250MEDIUMDiscourse vulnerable to exposure of number of topics recently created in private categoriesEPSS 0.4%CVE-2023-36466LOWTopic Title Validation Skipped When Changing Category in DiscourseEPSS 0.4%