Vulnerability index

Browse CVEs

207 matching
Filters 1 Clear all
Severity

Filters apply as you choose them.

Discourse HIGH 7.5
CVE-2026-23743

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, permalinks pointing to access-restri…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,950 2026-01-28
Discourse MEDIUM 6.5
CVE-2026-24742

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, non-admin moderators can view sensit…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 6.5
CVE-2026-21865

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can convert some personal…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 6.5
CVE-2025-69218

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, moderators can access the `top_uploa…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.4
CVE-2025-69289

Discourse is an open source discussion platform. A privilege escalation vulnerability in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 …

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 6.5
CVE-2025-68666

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, users archives are viewable by users…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 6.5
CVE-2025-68934

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, authenticated users can submit craft…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.4
CVE-2025-68933

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, non-admin moderators with the `moder…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse CRITICAL 9.9
CVE-2025-68662

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, a hostname validation issue in Final…

Fix: 3.5.4 / 2025.11.2+
Fix from $2,300 2026-01-28
Discourse MEDIUM 5.4
CVE-2025-68660

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, an endpoint lets any authenticated u…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.3
CVE-2025-68479

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack pro…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.3
CVE-2025-68659

Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have an application level denial of serv…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 6.1
CVE-2025-66488

Discourse is an open source discussion platform. A vulnerability present in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 affects anyon…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.4
CVE-2025-67723

Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have a content-security-policy-mitigated…

Fix: 3.5.4 / 2025.11.2+
Fix from $1,600 2026-01-28
Discourse MEDIUM 5.3
CVE-2025-64528

Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find…

Fix: 3.5.3+
Fix from $1,600 2025-12-30
Discourse MEDIUM 5.3
CVE-2025-61598

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-…

Fix: 3.5.2 / 3.6.0+
Fix from $1,600 2025-10-28
Discourse MEDIUM 6.8
CVE-2025-59337

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, malicious meta-commands could be embedded in a backup dump an…

Fix: 3.5.1 / 3.6.0+
Fix from $1,600 2025-10-01
Discourse MEDIUM 5.4
CVE-2025-58054

Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of ch…

Fix: 3.5.0 / 3.6.0+
Fix from $1,600 2025-10-01
Discourse MEDIUM 5.4
CVE-2025-54411

Discourse is an open-source discussion platform. Welcome banner user name string for logged in users can be vulnerable to XSS attacks, which affect t…

Fix: 3.5.0+
Fix from $1,600 2025-08-19
Discourse CRITICAL 9.8
CVE-2025-53102

Discourse is an open-source community discussion platform. Prior to version 3.4.7 on the `stable` branch and version 3.5.0.beta.8 on the `tests-passe…

Fix: 3.4.6+
Fix from $2,300 2025-07-29
Discourse HIGH 7.5
CVE-2025-49845

Discourse is an open-source discussion platform. The visibility of posts typed `whisper` is controlled via the `whispers_allowed_groups` site setting…

Fix: 3.4.6+
Fix from $1,950 2025-06-25
Discourse MEDIUM 6.1
CVE-2025-48954

Discourse is an open-source discussion platform. Versions prior to 3.5.0.beta6 are vulnerable to cross-site scripting when the content security polic…

Fix: 3.5.0+
Fix from $1,600 2025-06-25
Discourse CRITICAL 9.8
CVE-2025-48877

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version…

Fix: 3.4.4 / 3.5.0+
Fix from $2,300 2025-06-09
Discourse HIGH 7.5
CVE-2025-48053

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version…

Fix: 3.4.4 / 3.5.0+
Fix from $1,950 2025-06-09
Discourse MEDIUM 6.1
CVE-2025-48062

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version…

Fix: 3.4.4 / 3.5.0+
Fix from $1,600 2025-06-09
Discourse HIGH 7.5
CVE-2025-46813

Discourse is an open-source community platform. A data leak vulnerability affects sites deployed between commits 10df7fdee060d44accdee7679d66d778d113…

Fix: 3.5.0+
Fix from $1,950 2025-05-05
Discourse MEDIUM 6.5
CVE-2024-53851

Discourse is an open source platform for community discussion. In affected versions the endpoint for generating inline oneboxes for URLs wasn't enfor…

Fix: 3.3.3 / 3.4.0+
Fix from $1,600 2025-02-04
Discourse MEDIUM 5.4
CVE-2024-53266

Discourse is an open source platform for community discussion. In affected versions with some combinations of plugins, and with CSP disabled, activit…

Fix: 3.3.3 / 3.4.0+
Fix from $1,600 2025-02-04
Discourse HIGH 8.2
CVE-2025-23023

Discourse is an open source platform for community discussion. In affected versions an attacker can carefully craft a request with the right request …

Fix: 3.3.2+
Fix from $1,950 2025-02-04
Discourse HIGH 8.2
CVE-2024-55948

Discourse is an open source platform for community discussion. In affected versions an attacker can make craft an XHR request to poison the anonymous…

Fix: 3.3.2+
Fix from $1,950 2025-02-04