discourse-CVE-2023-45806

yksivaihde-CVE-2023-45806 CVE: https://github.com/discourse/discourse/security/advisories/GHSA-hcgf-hg2g-mw78 Patch: https://github.com/discourse/discourse/commit/7d484864fe91ff79c478f57e7ddb1235d701921e uso: fixquoteattribution"Username|", , dove "Username|" è la stringa di ricerca univoca...

Discourse Backup File Disclosure Via Default Nginx Configuration

Discourse is an open source platform for community discussion. This vulnerability only impacts Discourse instances configured to use FileStore--LocalStore which means uploads and backups are stored locally on disk. If an attacker knows the name of the Discourse backup file, the attacker can trick...

Discourse OAuth Social Login - Cross-site Scripting

Discourse versions prior to 3.5.0.beta6 contain a stored Cross-Site Scripting XSS vulnerability in the OAuth/social login functionality. The vulnerability is caused by lack of proper content security policy enforcement when processing social login failures,allowing remote attackers to inject and...

CVE-2021-3138

..| Discourse 2.7.0 - CVE-2021-3138 |.. Beschreibung : Rate-Limit-Bypass, der zu einem 2FA-Bypass führt Getestete Version : 2.7.0 Angriffsart: Remote Auswirkungen : 2FA-Bypass Produkthersteller : https://www.discourse.org Zusätzliche Informationen : Discourse ist eine Diskussionsplattform, die fü...

CVE-2024-52794-Discourse-Stored-XSS

CVE-2024-52794 – Persistentes Cross-Site Scripting XSS in Discourse Zusammenfassung Ich habe eine persistente Cross-Site Scripting XSS-Schwachstelle in Discourse entdeckt, einer Open-Source-Forum-Plattform. Die Schwachstelle ermöglicht es einem Angreifer, beliebiges JavaScript im Browser des Opfe...

CVE-2023-47119

Indice dei contenuti CVE-2023-47119 Detailed analysis POC Escalation ? LAB Setup CVE-2023-47119 Una POC per CVE-2023-47119 che è una vulnerabilità che colpisce Discourse versioni precedenti alla versione 3.1.3 del ramo stable e alla versione 3.2.0.beta3 dei rami beta e tests-passed. Alcuni link...

CVE-2026-59829

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.1, on sites with category group moderation enabled, the review queue could include an excerpt and permalink of the private message attached to a flag, even when the reviewing category moderator was...

CVE-2026-55704

Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed to view a group’s activity, but were not permitted to see shared drafts, could still receive shared-draft entries through the group posts and group mentions endpoints. This...

CVE-2026-53960

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

CVE-2026-55674

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 colorschemeid or darkschemeid cookie to inject arbitrary HTML into a Discourse page. Because the cookie value was rendered...

CVE-2026-53960

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

CVE-2026-53960

Discourse leaked hidden first-post excerpts in publicly served QAPage JSON-LD structured data, accessible to unauthenticated visitors and search-engine crawlers. Fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0. No exploitation reported. CVSS 5.3 MEDIUM (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:...

EUVD-2026-60238

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

CVE-2026-53960 Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

CVE-2026-53960 Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A QAPage JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engi...

CVE-2026-55704 Discourse: Shared-draft titles and excerpts leak through group post serialization

Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed to view a group’s activity, but were not permitted to see shared drafts, could still receive shared-draft entries through the group posts and group mentions endpoints. This...

CVE-2026-55704 Discourse: Shared-draft titles and excerpts leak through group post serialization

Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed to view a group’s activity, but were not permitted to see shared drafts, could still receive shared-draft entries through the group posts and group mentions endpoints. This...

CVE-2026-55704

Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed to view a group’s activity, but were not permitted to see shared drafts, could still receive shared-draft entries through the group posts and group mentions endpoints. This...

EUVD-2026-60237

Discourse is an open-source discussion platform. Prior o 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, users who were allowed to view a group’s activity, but were not permitted to see shared drafts, could still receive shared-draft entries through the group posts and group mentions endpoints. This...

CVE-2026-55704

Discourse serializes shared-draft topics and posts through the group posts and group mentions endpoints regardless of draft-view permissions, leaking unpublished draft titles and content to any group-activity viewer. Affected versions prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0 are fixed ...