{"cve":"CVE-2021-32855","nvd":{"published":"2023-02-21T15:15:11.267","modified":"2026-06-17T03:53:46.050","status":"Modified","description":"Vditor is a browser-side Markdown editor. Versions prior to 3.8.7 are vulnerable to copy-paste cross-site scripting (XSS). For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor. Version 3.8.7 contains a patch for this issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146","https://github.com/Vanessa219/vditor/issues/1085","https://securitylab.github.com/advisories/GHSL-2021-1006-vditor/","https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146","https://github.com/Vanessa219/vditor/issues/1085"],"products":["b3log:vditor"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2021-32855","score":0.00584,"percentile":0.47949,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vfmp-9999-6wqj","url":"https://osv.dev/vulnerability/GHSA-vfmp-9999-6wqj","summary":"Vditor Cross-site Scripting vulnerability","modified":"2023-11-08T04:06:02.540276Z","packages":[{"ecosystem":"npm","name":"vditor","purl":"pkg:npm/vditor","ranges":["<3.8.7"],"fixed":["3.8.7"]}]}],"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."]}