Security readout for executives and security teams
Plain-English summary
CVE-2026-28023 affects the ThemeREX Nuts WordPress theme through version 1.10. It can let a remote attacker include local files through unsafe PHP include/require handling. Successful exploitation could expose sensitive data, alter site behavior, or disrupt availability. No source provided confirms active exploitation.
Executive priority
Treat as a high-priority WordPress exposure review. Prioritize public sites using the Nuts theme, especially business-critical or customer-facing properties. Urgency is elevated by high impact, but evidence does not currently show active exploitation in the provided sources.
Technical view
The issue is classified as CWE-98: improper control of filenames in PHP include/require statements. CVSS 3.1 is 8.1 high, with network access, no privileges, no user interaction, high attack complexity, and high confidentiality, integrity, and availability impact.
Likely exposure
Internet-facing WordPress sites using the ThemeREX Nuts theme version 1.10 or earlier are the likely exposure. Sites not using this theme are not indicated as affected by the provided sources.
Exploitation context
The CVSS vector indicates remote unauthenticated exploitation is possible, but attack complexity is high. The provided sources do not include exploit details, proof of active exploitation, or KEV listing.
Researcher notes
The public bundle identifies the affected theme and CVSS details but does not provide a patch version, workaround, exploit evidence, or technical trigger conditions. Validate against vendor and Patchstack updates before declaring remediation complete.
Mitigation direction
- Inventory WordPress sites for the ThemeREX Nuts theme and version.
- If running Nuts version 1.10 or earlier, check ThemeREX and Patchstack guidance.
- Remove or disable the theme if it is unused or cannot be safely maintained.
- Monitor vendor sources for an update or confirmed remediation.
- Review web server and WordPress logs for unusual file access patterns.
Validation and detection
- Confirm whether the Nuts theme is installed on each WordPress instance.
- Record the installed theme version and compare it to version 1.10 or earlier.
- Verify whether any vendor update or advisory is available.
- Check whether compensating controls cover WordPress theme file inclusion risks.
- Document exposed sites and prioritize internet-facing production systems.
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-2026-28023 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.