Medium severity5.4NVD Advisory· Published May 23, 2022· Updated Jun 17, 2026

CVE-2021-42233

Description

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
cpe:2.3:a:simple_blog_project:simple_blog:-:*:*:*:*:*:*:*
Wondercms/Simple Blog plugindescription
WonderCMS/Simple Blogllm-create
Range: = 3.4.1

Patches

Vulnerability mechanics

References

hackerone.com/reports/485748nvdExploitThird Party Advisory
hackerone.com/reports/647130nvdExploitThird Party Advisory
hackerone.com/reports/961046nvdExploitThird Party Advisory

News mentions

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cvss	0.351
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000