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TI-2021-18685 Aliases CVE-2021-42233GHSA-44xf-m62f-7h7r

The Simple Blog plugin in Wondercms 3.4.1 is vulnerable to stored cross-site scripting…

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00891 59th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:simple_blog_project:simple_blog:-:*:*:*:*:*:*:*not specified by NVDVulnerableSimple Blog Project
cpe:2.3:a:wondercms:wondercms:3.4.1:*:*:*:*:*:*:*3.4.1Running onWonderCMS
  • cpe:2.3:a:simple_blog_project:simple_blog:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Simple Blog Project
  • cpe:2.3:a:wondercms:wondercms:3.4.1:*:*:*:*:*:*:* Versions 3.4.1 Running on ·WonderCMS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42233
  2. 2026-10-03 Alias added: GHSA-44xf-m62f-7h7r

References

Sources