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TI-2026-15423 Aliases CVE-2026-18843GHSA-grcg-2g4r-q84p

Cross-site scripting in beaverbuilder Beaver Builder Plugin

Priority LOW 27CWE-79Published · Updated

Key facts

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

Summary

The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00286 21st percentileScored 2026-11-07
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
beaverbuilderBeaver Builder Plugin (Starter Version)up to 2.11.0.1—No fix listedCNA
  • Beaver Builder Plugin (Starter Version) Vendorbeaverbuilder Affected up to 2.11.0.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18843
  2. 2026-10-03 Alias added: GHSA-grcg-2g4r-q84p

References

  • TI-2023-05334 Assistant < 1.4.4 - Editor+ SSRF CVSS 3.1HIGH 8.8
  • TI-2022-03124 Customizer Export/Import < 0.9.5 - Admin+ PHP Objection Injection CVSS 3.1HIGH 7.2
  • TI-2023-01273 Customizer Export/Import < 0.9.6 - Admin+ PHP Object Injection CVSS 3.1HIGH 7.2
  • TI-2024-29515 WordPress Beaver Builder plugin <= 2.8.3.2 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2026-67468 Beaver Builder Page Builder <= 2.11.0.5 - Unauthenticated Arbitrary Shortcode Execution via Sidebar Module Widget Output CVSS 3.1CRITICAL 9.1
  • TI-2022-16754 WordPress Beaver Builder plugin <= 2.5.4.3 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
See all 50 →

Sources