CVE-2021-32855: b3log Vditor

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• b3log Vditor: before 3.8.7 (fixed in 3.8.7)

Published 2023-02-21. Last modified 2026-06-17.