CVE-2023-45131 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 1.8% (pctl 78)
Patch early
A public exploit exists.
Description
Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 1.81% — more likely to be exploited than 78% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2023-10-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| discourse | discourse |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Discourse 3.1.1 - Unauthenticated Chat Message Access | 2025-07-22 |
References
→ the Explorer · watch your stack · NVD