{"cve":"CVE-2023-25167","nvd":{"published":"2023-02-08T20:15:25.100","modified":"2026-06-17T05:40:49.530","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","score":5.7},"cwes":["CWE-1333"],"references":["https://github.com/discourse/discourse/commit/ec4c30270887366dc28788bc4ab8a22a098573cd","https://github.com/discourse/discourse/security/advisories/GHSA-4w55-w26q-r35w","https://github.com/discourse/discourse/commit/ec4c30270887366dc28788bc4ab8a22a098573cd","https://github.com/discourse/discourse/security/advisories/GHSA-4w55-w26q-r35w"],"products":["discourse:discourse"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2023-25167","score":0.00567,"percentile":0.47049,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}