CVE-2024-47773

Anonymous cache poisoning via XHR requests in Discourse

State: Published
Severity: 8.2 High
Published: Oct 8, 2024
Updated: Oct 8, 2024
Reserved: Sep 30, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	8.2 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L	GitHub_M

Weaknesses

CWE-610 Externally Controlled Reference to a Resource in Another Sphere

Affected Products

Product	Versions
discoursediscourse	stable: < 3.3.2Affected tests-passed: < 3.4.0.beta2Affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-58vv-9j8h-hw2v

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