# CVE-2024-47773

## Summary

- **CVE ID:** CVE-2024-47773
- **Severity:** HIGH
- **CVSS Score:** 8.2 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L)
- **CWE:** CWE-610
- **Published:** Oct 8, 2024
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- discourse — discourse (stable: < 3.3.2)
- discourse — discourse (tests-passed: < 3.4.0.beta2)

## References

- [CNA](https://github.com/discourse/discourse/security/advisories/GHSA-58vv-9j8h-hw2v)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.66%
- **EPSS Percentile:** 75.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._