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Broken access control in Bricks Theme exposes unpublished page content

Priority LOW 38CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Bricks Theme before 2.4.1 for WordPress contains a broken access control flaw in the load_popup_content REST endpoint, classified as CWE-639. The endpoint returns content for a supplied popupId without status or capability checks. An unauthenticated remote attacker can obtain a public nonce through the bricks_regenerate_query_nonce action and then increment popupId values to read draft and unpublished page content.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Bricks Theme 2.4 and before for WordPress contains an unauthenticated broken access control vulnerability in the load_popup_content REST endpoint that allows anonymous attackers to read draft and unpublished page content by supplying a popupId parameter without any status or capability checks. Attackers can obtain a public nonce via the bricks_regenerate_query_nonce action and then increment the popupId value in requests to the /wp-json/bricks/v1/load_popup_content endpoint to enumerate and disclose confidential content from any unpublished post on the site.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Fix Fixed Bricks Theme (Bricks): 2.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
BricksBricks Themebefore 2.4.12.4.1Patch availableCNA
  • Bricks Theme VendorBricks Affected before 2.4.1 Fixed in 2.4.1 Patch available CNA

Remediation

Update Bricks Theme to version 2.4.1 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA Bricks Theme (Bricks) Fixed in 2.4.1

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-119325
  2. 2026-10-29 Alias added: GHSA-g37c-4g9f-f29v
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 Priority changed: MEDIUM → LOW

References

  • TI-2026-82227 Unauthenticated dynamic data tag injection in Bricks Theme CVSS 3.1HIGH 7.5
  • TI-2026-82228 Broken access control in Bricks Builder exposes unpublished posts CVSS 3.1HIGH 7.5
  • TI-2026-30116 WordPress Bricks Builder theme 1.9.2-2.2 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2026-29392 WordPress Bricks Builder theme <= 2.1.4 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3

Sources