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TI-2021-15951 Aliases CVE-2021-38344GHSA-f84h-684p-rggr

Brizy <= 2.3.11 Authenticated Stored Cross-Site Scripting

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Brizy Page Builder plugin <= 2.3.11 for WordPress was vulnerable to stored XSS by lower-privileged users such as a subscribers. It was possible to add malicious JavaScript to a page by modifying the request sent to update the page via the brizy_update_item AJAX action and adding JavaScript to the data parameter, which would be executed in the session of any visitor viewing or previewing the post or page.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00629 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
themefusecomBrizy - Page Builder2.3.11 – 2.3.11—No fix listedCNA
  • Brizy - Page Builder Vendorthemefusecom Affected 2.3.11 – 2.3.11 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:brizy:brizy-page_builder:*:*:*:*:*:*:*:*up to 2.3.11Vulnerablethemefusecom
  • cpe:2.3:a:brizy:brizy-page_builder:*:*:*:*:*:*:*:* Versions up to 2.3.11 Vulnerable ·themefusecom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38344
  2. 2026-10-03 Alias added: GHSA-f84h-684p-rggr
  3. 2026-10-29 EPSS moved to the 50th–90th percentile

References

  • TI-2021-15953 Brizy <= 2.3.11 Authenticated Unrestricted File Upload and Path Traversal CVSS 3.1HIGH 8.8
  • TI-2021-15952 Brizy <= 1.0.125 and 1.0.127 – 2.3.11 Incorrect authorization checks allowing Post modification CVSS 3.1HIGH 7.1

Sources