CVE-2024-47773 - CVE House
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Status published High CVE-2024-47773

Anonymous cache poisoning via XHR requests in Discourse

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Discourse users archives leaked to users with moderation privileges
Medium 5.9

Affected Vendor

Affected Software

discourse
Vulnerable Versions:
stable: < 3.3.2, tests-passed: < 3.4.0.beta2

Timeline

Official Publish: October 8th, 2024
Last Modified: October 8th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Weaknesses (CWE)

CWE-610

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.