{"cve":"CVE-2022-27139","nvd":{"published":"2022-04-12T17:15:09.840","modified":"2026-06-17T04:36:24.037","status":"Modified","description":"An arbitrary file upload vulnerability in the file upload module of Ghost v4.39.0 allows attackers to execute arbitrary code via a crafted SVG file. NOTE: Vendor states that as outlined in Ghost's security documentation, upload of SVGs is only possible by trusted authenticated users. The uploading of SVG files to Ghost does not represent a remote code execution vulnerability. SVGs are not executable on the server, and may only execute javascript in a client's browser - this is expected and intentional functionality","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-434"],"references":["http://ghost.org/docs/security/#privilege-escalation-attacks","https://youtu.be/FCqWEvir2wE","http://ghost.org/docs/security/#privilege-escalation-attacks","https://youtu.be/FCqWEvir2wE"],"products":["ghost:ghost"],"source":"nvd","synced_at":"2026-10-19T21:30:03.577988018+00:00"},"epss":{"cve":"CVE-2022-27139","score":0.04045,"percentile":0.90624,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fvc6-qjp7-m4g4","url":"https://osv.dev/vulnerability/GHSA-fvc6-qjp7-m4g4","summary":"Arbitrary file upload in Ghost","modified":"2023-12-06T01:02:08.852352Z","packages":[{"ecosystem":"npm","name":"ghost","purl":"pkg:npm/ghost","ranges":["<=4.39.0"],"fixed":[]}]}],"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."]}