Security readout for executives and security teams
Plain-English summary
CVE-2026-22403 is a high-severity local file inclusion issue in the WordPress Innovio theme from Mikado-Themes, reported for versions up to 1.9. A successful attack could let an unauthenticated remote attacker read or affect sensitive server-side files, depending on site configuration. No active exploitation is stated in the provided sources.
Executive priority
Prioritize review of public WordPress sites using Innovio. The vulnerability is high impact and unauthenticated, but sources show high attack complexity and no confirmed active exploitation. Move quickly on inventory and vendor-guided remediation rather than emergency assumptions.
Technical view
The CVE describes improper control of filenames in PHP include/require logic, mapped to CWE-98. CVSS 3.1 is 8.1: network exploitable, high attack complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact. The record identifies Innovio through <=1.9 as affected, though one reference URL mentions 1.7.
Likely exposure
Exposure is most likely on public WordPress sites using the Mikado-Themes Innovio theme at affected versions. The provided data does not confirm whether inactive installed themes are exploitable, so inventory should include both active and installed copies.
Exploitation context
The CVSS vector indicates remote unauthenticated exploitation is possible but requires high attack complexity. The source bundle does not include exploit details, observed exploitation, or CISA KEV listing. Treat internet-facing WordPress installations as higher priority because successful file inclusion can have serious confidentiality, integrity, and availability consequences.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The affected range is stated as <=1.9 in the CVE description, while the Patchstack URL text references 1.7. No exploit status, patch version, or concrete workaround is provided in the bundle.
Mitigation direction
- Identify all WordPress sites with the Innovio theme installed.
- Check vendor and Patchstack guidance for a fixed version or official workaround.
- Update or remove affected Innovio installations when a trusted fix is available.
- Restrict administrative access and reduce unnecessary exposed WordPress components.
- Ensure current backups and tested restoration procedures exist.
Validation and detection
- Inventory active and inactive WordPress themes across managed sites.
- Confirm Innovio version numbers against the CVE affected range.
- Review vendor, CVE, and Patchstack entries for updated affected-version details.
- Check web and application logs for unusual theme-related file access patterns.
- Verify remediation by confirming the vulnerable version is no longer present.
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-2026-22403 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.