CVE-2023-25167

Name: CVE-2023-25167
Creator: NVD / NIST
Published: 2023-02-08T20:15:25.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2023-25167 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. Discourse is an open source discussion platform. In affected versions a malicious user can cause a regular expression denial of service using a carefully crafted git URL. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Discourse is an open source discussion platform. In affected versions a malicious user can cause a regular expression denial of service using a carefully crafted git URL. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this issue.

Metrics

CVSS 3.1

5.7/10

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

EPSS Probability

0.57%

42.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions	Update
Discourse	Discourse	< 3.0.1	—
Discourse	Discourse	3.1.0	Beta1

References

Timeline

Published: Feb 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-25167?

How severe is CVE-2023-25167?

CVE-2023-25167 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2023-25167?

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-2023-25167?

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

Scan your code now

Source: NVD / NIST