CVE-2023-22740

Name: CVE-2023-22740
Creator: NVD / NIST
Published: 2023-01-27T01:15:08.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2023-22740 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Discourse is an open source platform for community discussion. Versions prior to 3.1.0.beta1 (beta) (tests-passed) are vulnerable to Allocation of Resources Without Limits. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

Discourse is an open source platform for community discussion. Versions prior to 3.1.0.beta1 (beta) (tests-passed) are vulnerable to Allocation of Resources Without Limits. Users can create chat drafts of an unlimited length, which can cause a denial of service by generating an excessive load on the server. Additionally, an unlimited number of drafts were loaded when loading the user. This issue has been patched in version 2.1.0.beta1 (beta) and (tests-passed). Users should upgrade to the latest version where a limit has been introduced. There are no workarounds available.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.68%

47.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Discourse	Discourse	<= 3.0.0

References

https://github.com/discourse/discourse/commit/5eaf0802398ff06604f03b27a28dd274f2ffa576Patch, Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-pwj4-rf62-p224Third Party Advisory
https://github.com/discourse/discourse/commit/5eaf0802398ff06604f03b27a28dd274f2ffa576Patch, Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-pwj4-rf62-p224Third Party Advisory

Timeline

Published: Jan 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22740?

How severe is CVE-2023-22740?

CVE-2023-22740 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22740?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22740?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST