Security readout for executives and security teams
Plain-English summary
CVE-2026-28019 affects the ThemeREX Manoir WordPress theme through version 1.11. It can let an unauthenticated remote attacker abuse unsafe PHP file inclusion handling. The business risk is potentially serious for sites using this theme, but public evidence provided does not show active exploitation or a confirmed fixed version.
Executive priority
Treat as a high-priority WordPress exposure review for any site using Manoir. Prioritize public-facing sites, revenue-generating properties, and sites handling sensitive data. Do not assume compromise without supporting telemetry.
Technical view
The CVE describes CWE-98: improper control of filenames used in PHP include/require statements. The issue is classified as PHP Local File Inclusion in the Manoir theme <=1.11. CVSS 3.1 is 8.1 with network attack vector, no privileges, no user interaction, high complexity, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running the ThemeREX Manoir theme through version 1.11. Sites not using this theme are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates remote unauthenticated exploitation is possible, but attack complexity is high. No exploit details are included here.
Researcher notes
Evidence is sparse beyond the CVE record and Patchstack entry. The provided data names Manoir <=1.11 and CVSS 8.1, but does not include a patch version, exploit status, or detailed vulnerable parameter. Avoid drawing conclusions beyond those sources.
Mitigation direction
- Inventory WordPress sites for the ThemeREX Manoir theme and version.
- Check ThemeREX and Patchstack guidance for a fixed version or official mitigation.
- Update the theme if a vendor-supported fixed release is available.
- If no fix is available, consider disabling or replacing the theme after business review.
- Restrict administrative access and monitor affected sites for abnormal file access or PHP errors.
Validation and detection
- Confirm whether the Manoir theme is installed on each WordPress site.
- Record the installed Manoir version and compare it to <=1.11.
- Review vendor and Patchstack advisories for current remediation status.
- Check logs for suspicious requests targeting theme file inclusion paths.
- Verify remediation by confirming the theme is updated, removed, or otherwise mitigated.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-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 lookupCVE-2026-28019 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
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.