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CVE Record

CVE-2026-28124: WordPress Notarius theme <= 1.9 - Local File Inclusion vulnerability

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Notarius notarius allows PHP Local File Inclusion.This issue affects Notarius: from n/a through <= 1.9.

HighCVSS 8.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-28124 affects the WordPress Notarius theme by AncoraThemes through version 1.9. A remote, unauthenticated attacker may be able to make the site include local PHP files improperly. The published severity is high because successful exploitation could affect confidentiality, integrity, and availability.

Executive priority

Treat as a high-priority WordPress exposure review, especially for public sites. Do not assume compromise from the CVE alone; current sources do not confirm active exploitation. Focus on finding affected Notarius installations and applying vendor-supported remediation.

Technical view

The issue is classified as CWE-98: improper control of filenames in PHP include/require statements. The CVSS 3.1 score is 8.1 with network attack vector, no privileges, no user interaction, and high attack complexity. Public data identifies PHP Local File Inclusion in Notarius <= 1.9.

Likely exposure

Public WordPress sites using the AncoraThemes Notarius theme through version 1.9 are the primary exposure. Sites not using this theme are not indicated as affected by the provided sources.

Exploitation context

The CVE is not listed in KEV, and the provided sources do not state active exploitation. The CVSS vector indicates unauthenticated network exploitation is possible but has high attack complexity. No exploit details are provided in the source bundle.

Researcher notes

Public details are limited. The record describes PHP Local File Inclusion while referencing CWE-98 and PHP Remote File Inclusion wording. No vulnerable parameter, proof of concept, fixed version, or official patch details are included in the provided sources.

Mitigation direction

  • Identify whether any WordPress sites use the Notarius theme.
  • Check AncoraThemes and Patchstack guidance for a fixed version or official workaround.
  • Upgrade, replace, or disable the theme if vendor guidance confirms risk and remediation.
  • Prioritize internet-facing WordPress sites for review first.

Validation and detection

  • Inventory WordPress themes across production and staging sites.
  • Confirm the installed Notarius version is above 1.9 or not present.
  • Review vendor and Patchstack pages for updated remediation details.
  • Check web logs for unusual requests targeting theme file inclusion paths.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-28124 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-2026-28124Attack 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
AncoraThemesNotariusnotarius, 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.