CVE-2021-42233: Simple Blog Project Simple Blog

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

The Simple Blog plugin in Wondercms 3.4.1 is vulnerable to stored cross-site scripting (XSS) vulnerability. When any user opens a particular blog hosted on an attackers' site, XSS may occur.

Affected products

• Simple Blog Project Simple Blog: affected versions not specified

Published 2022-05-23. Last modified 2026-06-17.