CVE-2024-47773
Anonymous cache poisoning via XHR requests in Discourse
8.2
HIGH
CVSS 3.1
EPSS 7.9%
Description
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. Users unable to upgrade should disable anonymous cache by setting the `DISCOURSE_DISABLE_ANON_CACHE` environment variable to a non-empty value.
How to fix CVE-2024-47773
To remediate CVE-2024-47773, upgrade the affected package to a fixed version below.
- —upgrade to 3.3.2 or later
Is CVE-2024-47773 being exploited?
Moderate — EPSS is 7.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 3.3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L |