Security readout for executives and security teams
Plain-English summary
CVE-2026-22436 affects the WordPress Helvig theme up to version 1.0. A flaw in how PHP files are included may let an unauthenticated remote attacker include local files. If a site uses this theme, impact could include sensitive data exposure, site compromise, or disruption. No cited source indicates active exploitation.
Executive priority
Treat as high priority for any public WordPress site using Helvig. Confirm exposure first; if present, plan rapid update, replacement, or temporary removal. Sites not using Helvig are not indicated as affected by the provided sources.
Technical view
The CVE describes improper control of filenames in PHP include/require logic, categorized as CWE-98 and reported as Local File Inclusion. CVSS 3.1 is 8.1: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. The affected product is Elated-Themes Helvig, versions through 1.0.
Likely exposure
Exposure is limited to WordPress sites with the Helvig theme installed, especially versions <= 1.0. The issue is network-reachable and requires no authentication or user interaction, but the CVSS vector rates attack complexity as high.
Exploitation context
The sources do not report public exploitation or inclusion in CISA KEV. The vulnerability is still serious because successful exploitation could affect confidentiality, integrity, and availability. Evidence is limited to the CVE record and Patchstack entry.
Researcher notes
The record labels the weakness CWE-98, while the description states PHP Local File Inclusion. No exploit details, fixed version, or vendor advisory are included in the provided bundle. The affected-version metadata appears sparse, so validate against the Patchstack and CVE records before scoping broadly.
Mitigation direction
- Identify whether the Helvig WordPress theme is installed on any site.
- Check Elated-Themes and Patchstack guidance for a fixed version or vendor workaround.
- Update the theme if a fixed release is available from the vendor.
- If no fix is available, consider disabling or replacing the theme.
- Restrict administrative access and keep WordPress, plugins, and themes current.
Validation and detection
- Inventory WordPress sites for the Helvig theme.
- Confirm installed Helvig versions, prioritizing versions <= 1.0.
- Review web and application logs for unusual file include or path access patterns.
- Monitor the CVE and Patchstack pages for updated remediation details.
- Document compensating controls if the theme cannot be removed quickly.
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-2026-22436 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.