Security readout for executives and security teams
Plain-English summary
CVE-2026-27994 is a high-severity file inclusion issue in the ThemeREX Tediss WordPress theme through version 1.2.4. A remote, unauthenticated attacker may be able to include local server files, potentially affecting confidentiality, integrity, and availability. No active exploitation is indicated in the provided sources.
Executive priority
Treat as a near-term priority for any public WordPress site using Tediss. The issue is high impact and unauthenticated, but the provided evidence does not show active exploitation. Confirm exposure first, then follow vendor remediation guidance.
Technical view
The CVE describes improper control of filenames used in PHP include/require logic, classified as CWE-98. It affects Tediss theme versions up to 1.2.4 and is scored CVSS 8.1: network attack vector, high complexity, no privileges, no user interaction, and high C/I/A impact.
Likely exposure
Exposure is limited to WordPress sites using the ThemeREX Tediss theme at version 1.2.4 or earlier. Sites not running this theme are not indicated as affected by the provided sources.
Exploitation context
The vulnerability is remotely reachable and does not require authentication or user interaction, but CVSS marks attack complexity as high. The source bundle does not identify public exploitation, proof-of-concept availability, or CISA KEV listing.
Researcher notes
The record contains limited technical detail beyond CWE-98, local file inclusion, affected range, and CVSS vector. Avoid assuming exploitability conditions, vulnerable parameters, or patch availability without vendor confirmation. The affected CPE data appears incomplete in the provided bundle.
Mitigation direction
- Inventory WordPress sites for the ThemeREX Tediss theme and installed version.
- Prioritize review of sites running Tediss version 1.2.4 or earlier.
- Check ThemeREX and Patchstack guidance for an official update or mitigation.
- Temporarily disable or replace the theme if vendor guidance is unavailable and risk is unacceptable.
- Restrict administrative access and monitor web server logs for suspicious file inclusion patterns.
Validation and detection
- Confirm whether the Tediss theme is installed on each WordPress site.
- Record the exact Tediss theme version from WordPress administration or asset inventory.
- Compare installed versions against the affected range: through 1.2.4.
- Review vendor and Patchstack pages for updated remediation status.
- Check logs for unusual requests targeting theme PHP include behavior.
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-2026-27994 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.