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CVE Record

CVE-2026-28013: WordPress Kratz theme <= 1.0.12 - Local File Inclusion vulnerability

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Kratz kratz allows PHP Local File Inclusion.This issue affects Kratz: from n/a through <= 1.0.12.

HighCVSS 8.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-28013 affects the WordPress Kratz theme by ThemeREX, versions through 1.0.12. A remote, unauthenticated attacker may be able to abuse file inclusion handling to read or execute unintended local files. The CVSS score is 8.1, but exploitation complexity is rated high. No cited source confirms active exploitation.

Executive priority

Treat this as a high-priority WordPress exposure if Kratz is deployed. The potential impact is severe, but current evidence does not show active exploitation. Confirm usage quickly and follow vendor or Patchstack remediation guidance.

Technical view

The issue is classified as CWE-98: improper control of filename in PHP include/require logic. The CVE description says Kratz allows PHP Local File Inclusion, affecting versions through 1.0.12. CVSS v3.1 is 8.1 with network attack vector, no privileges or user interaction, high complexity, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites using the ThemeREX Kratz theme at version 1.0.12 or earlier. Sites not using this theme are not indicated as affected by the supplied sources.

Exploitation context

The vulnerability is network-reachable and requires no authentication or user interaction, but CVSS rates attack complexity as high. The source bundle does not include exploit availability, observed exploitation, or inclusion in CISA KEV.

Researcher notes

Evidence is limited to the CVE record and Patchstack database reference. The affected range is stated as through 1.0.12, with default status listed as unaffected in the supplied affected object. No patch version, proof-of-concept, or exploitation telemetry is provided in the source bundle.

Mitigation direction

  • Inventory WordPress sites for the ThemeREX Kratz theme.
  • Identify any Kratz installations at version 1.0.12 or earlier.
  • Check ThemeREX and Patchstack guidance for an available fix or workaround.
  • Remove or disable the theme if no safe update path exists.
  • Prioritize monitoring on affected internet-facing WordPress sites.

Validation and detection

  • Confirm installed WordPress themes and Kratz version numbers.
  • Review vendor or Patchstack advisories for remediation status.
  • Check whether vulnerable theme files remain active or accessible.
  • Review logs for unusual file inclusion or PHP error patterns.
  • Document affected assets and remediation decisions.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-98: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2026-28013 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2026-28013Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ThemeREXKratzkratz, 0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-98 · source CWE mapping

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.