{"cve":"CVE-2021-39136","nvd":{"published":"2021-08-25T18:15:07.177","modified":"2026-06-17T04:03:08.297","status":"Modified","description":"baserCMS is an open source content management system with a focus on Japanese language support. In affected versions there is a cross-site scripting vulnerability in the file upload function of the management system of baserCMS. Users are advised to update as soon as possible. No workaround are available to mitigate this issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["http://jvn.jp/en/jp/JVN14134801/index.html","https://basercms.net/security/JVN_14134801","https://github.com/baserproject/basercms/commit/568d4cab5ba1cdee7bbf0133c676d02a98f6d7bc","https://github.com/baserproject/basercms/security/advisories/GHSA-hgjr-632x-qpp3","http://jvn.jp/en/jp/JVN14134801/index.html"],"products":["basercms:basercms"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-39136","score":0.00929,"percentile":0.60582,"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."]}