Security readout for executives and security teams
Plain-English summary
CVE-2026-28006 affects the WordPress Yungen theme by ThemeREX through version 1.0.12. It can allow an unauthenticated attacker to include local files through unsafe PHP include/require handling. Successful exploitation could expose sensitive files or affect site integrity and availability. The CVSS rating is high, but exploitation complexity is listed as high.
Executive priority
Treat this as a high-priority WordPress exposure check. Prioritize internet-facing sites using Yungen, especially business-critical or customer-facing properties. Current sources do not prove active exploitation, but unauthenticated remote reachability and high potential impact justify prompt inventory and vendor-guidance review.
Technical view
The CVE describes CWE-98: improper control of filenames in PHP include/require statements, resulting in local file inclusion in the Yungen WordPress theme. CVSS 3.1 is 8.1: network-accessible, unauthenticated, no user interaction, high complexity, and high confidentiality, integrity, and availability impact. Public sources identify affected versions as through 1.0.12.
Likely exposure
Exposure is limited to WordPress sites using the ThemeREX Yungen theme at version 1.0.12 or earlier. Sites not using this theme are not affected based on the provided sources. The bundle does not identify affected plugins, forks, or related products.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. The vulnerability is remotely reachable and unauthenticated, but CVSS marks attack complexity as high, suggesting exploitation may depend on specific application conditions.
Researcher notes
Evidence is sparse. The public CVE and Patchstack entry identify the issue class, affected theme, version range, and CVSS vector, but do not provide a named fixed version or detailed vulnerable parameter in the supplied data. Avoid assuming exploitability beyond the stated LFI classification and CVSS metrics.
Mitigation direction
- Identify all WordPress sites using the Yungen theme.
- Check the installed Yungen theme version.
- If version is 1.0.12 or earlier, review ThemeREX and Patchstack guidance.
- Apply any vendor-provided fixed version when available.
- If no fix is available, consider disabling or replacing the theme.
- Restrict administrative access and maintain current WordPress hardening controls.
Validation and detection
- Inventory WordPress themes across production, staging, and backups.
- Confirm whether Yungen is installed or active.
- Record the exact Yungen theme version.
- Review web logs for suspicious file-include related requests.
- Monitor Patchstack and CVE records for updated remediation details.
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-2026-28006 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.