Medium severity · published Feb 8, 2023
CVE-2023-25167
Discourse is an open source discussion platform
5.7
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
Discourse · Discourse
before 3.0.1; 3.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-25167
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-25167
Patch
https://github.com/discourse/discourse/commit/ec4c30270887366dc28788bc4ab8a22a098573cd
Vendor Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-4w55-w26q-r35w
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