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Brook Theme EUVDEUVD-2026-43407

| CVE-2026-57791 HIGH
PHP Remote File Inclusion (CWE-98)
2026-07-13 Patchstack
7.5
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.5 HIGH
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
6.4 MEDIUM

Network-reachable but requires an authenticated low-priv account (PR:L) and non-trivial conditions (AC:H); LFI is primarily confidentiality (C:H) with limited integrity/availability from potential chaining.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
4.0 AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 13, 2026 - 10:32 vuln.today
CVE Published
Jul 13, 2026 - 08:41 cve.org
HIGH 7.5

DescriptionCVE.org

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeMove Brook brook allows PHP Local File Inclusion.This issue affects Brook: from n/a through <= 2.9.0.

AnalysisAI

Local file inclusion in the ThemeMove Brook WordPress theme (versions up to and including 2.9.0) lets authenticated attackers coerce a PHP include/require statement into loading arbitrary local files on the server, exposing sensitive data such as wp-config.php credentials and potentially escalating to code execution. The flaw was disclosed by Patchstack and carries a CVSS 3.1 score of 7.5, but exploitation is rated high-complexity (AC:H) and requires at least low-level authentication (PR:L). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as low-privilege user
Delivery
Craft request with traversal filename
Exploit
Reach PHP include/require statement
Execution
Include sensitive local file
Impact
Disclose credentials or execute code

Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session - the CVSS vector specifies PR:L, so the attacker must already hold at least a low-privilege WordPress account (e.g., subscriber/author) on a site running the Brook theme version 2.9.0 or earlier; no user interaction is needed (UI:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are mixed and point to a moderate, not top-tier, priority. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who holds or registers a low-privilege WordPress account on a site running Brook <= 2.9.0 crafts a request to a theme endpoint that reaches a PHP include statement, manipulating the filename parameter to traverse to a sensitive local file such as wp-config.php or an attacker-planted file. Because the CVSS vector is network-reachable but high-complexity, the attacker must satisfy specific input/state conditions, but on success can read credentials or chain to code execution via log/upload poisoning. …
Remediation No vendor-released patch version was identified at time of analysis - the advisory only bounds the vulnerable range at <= 2.9.0 without naming a fixed release, so administrators should monitor the Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/brook/vulnerability/wordpress-brook-theme-2-9-0-local-file-inclusion-vulnerability) and the ThemeMove vendor channel for an update and upgrade to the first release above 2.9.0 as soon as it is published. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, perform an audit of all WordPress installations to identify which sites run ThemeMove Brook theme version 2.9.0 or earlier and assess user account inventory on affected systems. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-43407 vulnerability details – vuln.today

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