CVSS: 6.8EPSS: 0%CPEs: 212EXPL: 0CVE-2023-38498 – Discourse vulnerable to DoS via defer queue
https://notcve.org/view.php?id=CVE-2023-38498
28 Jul 2023 — Discourse is an open source discussion platform. Prior to version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches, a malicious user can prevent the defer queue from proceeding promptly on sites hosted in the same multisite installation. The issue is patched in version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches. There are no known workarounds for this vulnerability. Users of multisite configurations should upgr... • https://github.com/discourse/discourse/commit/26e267478d785e2f32ee7da4613e2cf4a65ff182 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 4.3EPSS: 0%CPEs: 212EXPL: 0CVE-2023-37906 – Discourse vulnerable to DoS via post edit reason
https://notcve.org/view.php?id=CVE-2023-37906
28 Jul 2023 — Discourse is an open source discussion platform. Prior to version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches, a malicious user can edit a post in a topic and cause a DoS with a carefully crafted edit reason. The issue is patched in version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches. There are no known workarounds for this vulnerability. • https://github.com/discourse/discourse/commit/dcc825bda505a344eda403a1b8733f30e784034a • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 3.1EPSS: 0%CPEs: 212EXPL: 0CVE-2023-37904 – Discourse Race Condition in Accept Invite
https://notcve.org/view.php?id=CVE-2023-37904
28 Jul 2023 — Discourse is an open source discussion platform. Prior to version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches, more users than permitted could be created from invite links. The issue is patched in version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches. As a workaround, use restrict to email address invites. • https://github.com/discourse/discourse/commit/62a609ea2d0645a27ee8adbb01ce10a5e03a600b • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 6.8EPSS: 0%CPEs: 211EXPL: 0CVE-2023-37467 – Discourse CSP nonce reuse vulnerability for anonymous users
https://notcve.org/view.php?id=CVE-2023-37467
28 Jul 2023 — Discourse is an open source discussion platform. Prior to version 3.1.0.beta7 of the `beta` and `tests-passed` branches, a CSP (Content Security Policy) nonce reuse vulnerability was discovered could allow cross-site scripting (XSS) attacks to bypass CSP protection for anonymous (i.e. unauthenticated) users. There are no known XSS vectors at the moment, but should one be discovered, this vulnerability would allow the XSS attack to bypass CSP and execute successfully. This vulnerability isn't applicable to l... • https://github.com/discourse/discourse/commit/0976c8fad6970b6182e7837bf87de07709407f25 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-323: Reusing a Nonce, Key Pair in Encryption •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2023-36818 – Denial of service via User Custom Sidebar Section Unlimited Link Creation in discourse
https://notcve.org/view.php?id=CVE-2023-36818
14 Jul 2023 — Discourse is an open source discussion platform. In affected versions a request to create or update custom sidebar section can cause a denial of service. This issue has been patched in commit `52b003d915`. Users are advised to upgrade. There are no known workarounds for this vulnerability. • https://github.com/discourse/discourse/commit/52b003d915761f1581ae2d105f3cbe76df7bf1ff • CWE-400: Uncontrolled Resource Consumption •
CVSS: 4.3EPSS: 0%CPEs: 210EXPL: 0CVE-2023-36466 – Topic Title Validation Skipped When Changing Category in Discourse
https://notcve.org/view.php?id=CVE-2023-36466
14 Jul 2023 — Discourse is an open source discussion platform. When editing a topic, there is a vulnerability that enables a user to bypass the topic title validations for things like title length, number of emojis in title and blank topic titles. The issue is patched in the latest stable, beta and tests-passed version of Discourse. • https://github.com/discourse/discourse/security/advisories/GHSA-4hjh-wg43-p932 • CWE-20: Improper Input Validation CWE-287: Improper Authentication •
CVSS: 6.8EPSS: 0%CPEs: 210EXPL: 0CVE-2023-36473 – CSP nonce reuse vulnerability in Discourse
https://notcve.org/view.php?id=CVE-2023-36473
13 Jul 2023 — Discourse is an open source discussion platform. A CSP (Content Security Policy) nonce reuse vulnerability could allow XSS attacks to bypass CSP protection. There are no known XSS vectors at the moment, but should one be discovered, this vulnerability would allow the XSS attack to completely bypass CSP. The vulnerability is patched in the latest tests-passed, beta and stable branches. • https://github.com/discourse/discourse/security/advisories/GHSA-9f52-624j-8ppq • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 5.3EPSS: 0%CPEs: 5EXPL: 0CVE-2023-34250 – Discourse vulnerable to exposure of number of topics recently created in private categories
https://notcve.org/view.php?id=CVE-2023-34250
13 Jun 2023 — Discourse is an open source discussion platform. Prior to version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches, an attacker could use the new topics dismissal endpoint to reveal the number of topics recently created (but not the actual content thereof) in categories they didn't have access to. This issue is patched in version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches. There are no known workarounds. • https://github.com/discourse/discourse/security/advisories/GHSA-q8m5-wmjr-3ppg • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-668: Exposure of Resource to Wrong Sphere •
CVSS: 5.3EPSS: 0%CPEs: 5EXPL: 0CVE-2023-32301 – Discourse's canonical url not being used for topic embeddings
https://notcve.org/view.php?id=CVE-2023-32301
13 Jun 2023 — Discourse is an open source discussion platform. Prior to version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches, multiple duplicate topics could be created if topic embedding is enabled. This issue is patched in version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches. As a workaround, disable topic embedding if it has been enabled. • https://github.com/discourse/discourse/security/advisories/GHSA-p2jx-m2j5-hqh4 • CWE-116: Improper Encoding or Escaping of Output •
CVSS: 5.4EPSS: 0%CPEs: 5EXPL: 0CVE-2023-32061 – Discourse Topic Creation Page Allows iFrame Tag without Restrictions
https://notcve.org/view.php?id=CVE-2023-32061
13 Jun 2023 — Discourse is an open source discussion platform. Prior to version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches, the lack of restrictions on the iFrame tag makes it easy for an attacker to exploit the vulnerability and hide subsequent comments from other users. This issue is patched in version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches. There are no known workarounds. • https://github.com/discourse/discourse/security/advisories/GHSA-prx4-49m8-874g • CWE-863: Incorrect Authorization •