CVSS: 8.0EPSS: 0%CPEs: 1EXPL: 0CVE-2024-52794 – Magnific lightbox susceptible to Cross-site Scripting in Discourse
https://notcve.org/view.php?id=CVE-2024-52794
19 Dec 2024 — Discourse is an open source platform for community discussion. Users clicking on the lightbox thumbnails could be affected. This problem is patched in the latest version of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability. • https://github.com/discourse/discourse/security/advisories/GHSA-m3v4-v2rp-hfm9 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2024-53991 – Potential Backup file leaked via Nginx in Discourse
https://notcve.org/view.php?id=CVE-2024-53991
19 Dec 2024 — 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 nginx into sending the Discourse backup file with a well crafted request. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. • https://github.com/discourse/discourse/security/advisories/GHSA-567m-82f6-56rv • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 8.5EPSS: 0%CPEs: 1EXPL: 0CVE-2024-47773 – Anonymous cache poisoning via XHR requests in Discourse
https://notcve.org/view.php?id=CVE-2024-47773
08 Oct 2024 — Discourse is an open source platform for community discussion. An attacker can make several XHR requests until the cache is poisoned with a response without any preloaded data. This issue only affects anonymous visitors of the site. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. • https://github.com/discourse/discourse/security/advisories/GHSA-58vv-9j8h-hw2v • CWE-610: Externally Controlled Reference to a Resource in Another Sphere •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2024-47772 – Cross-site Scripting (XSS) via chat excerpts when content security policy (CSP) disabled in Discourse
https://notcve.org/view.php?id=CVE-2024-47772
07 Oct 2024 — Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by sending a maliciously crafted chat message and replying to it. This issue only affects sites with CSP disabled. This problem is patched in the latest version of Discourse. All users are advised to upgrade. • https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2024-43789 – Denial of service by the absence of restrictions on replies to posts in Discourse
https://notcve.org/view.php?id=CVE-2024-43789
07 Oct 2024 — Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users area are advised to upgrade. • https://github.com/discourse/discourse/security/advisories/GHSA-62cq-cpmc-hvqq • CWE-400: Uncontrolled Resource Consumption •
CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0CVE-2024-45297 – Prevent topic list filtering by hidden tags for unauthorized users in Discourse
https://notcve.org/view.php?id=CVE-2024-45297
07 Oct 2024 — Discourse is an open source platform for community discussion. Users can see topics with a hidden tag if they know the label/name of that tag. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability. • https://github.com/discourse/discourse/security/advisories/GHSA-58xw-3qr3-53gp • CWE-269: Improper Privilege Management •
CVSS: 8.5EPSS: 0%CPEs: 1EXPL: 0CVE-2024-45051 – Bypass of email address validation via encoded email addresses in Discourse
https://notcve.org/view.php?id=CVE-2024-45051
07 Oct 2024 — Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability. • https://github.com/discourse/discourse/security/advisories/GHSA-2vjv-pgh4-6rmq • CWE-287: Improper Authentication •
CVSS: 6.4EPSS: 0%CPEs: 1EXPL: 0CVE-2024-39320 – Discourse allows iframe injection though default site setting
https://notcve.org/view.php?id=CVE-2024-39320
30 Jul 2024 — Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5. • https://github.com/discourse/discourse/commit/188cb58daa833839c54c266ce22db150a3f3a210 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2024-37299 – Discourse vulnerable to DoS via Tag Group
https://notcve.org/view.php?id=CVE-2024-37299
30 Jul 2024 — Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, crafting requests to submit very long tag group names can reduce the availability of a Discourse instance. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5. • https://github.com/discourse/discourse/commit/188cb58daa833839c54c266ce22db150a3f3a210 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 6.4EPSS: 0%CPEs: 1EXPL: 0CVE-2024-37165 – Discourse has an XSS via Onebox system
https://notcve.org/view.php?id=CVE-2024-37165
30 Jul 2024 — Discourse is an open source discussion platform. Prior to 3.2.3 and 3.3.0.beta3, improperly sanitized Onebox data could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. This vulnerability is fixed in 3.2.3 and 3.3.0.beta3. • https://github.com/discourse/discourse/commit/26aef0c288839378b9de5819e96eac8cf4ea60fd • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •