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THREATINT
PUBLISHED

CVE-2024-47773

Anonymous cache poisoning via XHR requests in Discourse



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.

Reserved 2024-09-30 | Published 2024-10-08 | Updated 2024-10-08 | Assigner GitHub_M


HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Problem types

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

Product status

stable: < 3.3.2
affected

tests-passed: < 3.4.0.beta2
affected

References

github.com/...course/security/advisories/GHSA-58vv-9j8h-hw2v

cve.org (CVE-2024-47773)

nvd.nist.gov (CVE-2024-47773)

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