Security readout for executives and security teams
Plain-English summary
CVE-2026-27083 is a critical vulnerability in the ThemeREX Work & Travel Company WordPress theme through version 1.2. It involves unsafe deserialization, which can allow PHP object injection. The published CVSS score is 9.8, indicating potential full compromise of confidentiality, integrity, and availability if exploited.
Executive priority
Treat this as urgent for any business-critical or public WordPress site using this theme. The severity is critical, but urgency depends on confirmed deployment because the issue appears theme-specific and active exploitation is not confirmed in the provided sources.
Technical view
The issue is CWE-502: deserialization of untrusted data in the work-travel-company WordPress theme. The CVE states the vulnerable range is through version 1.2 and the vector is network-accessible, low complexity, no privileges, and no user interaction. Public sources provided do not confirm a patched version or specific exploitation conditions.
Likely exposure
Exposure is likely limited to WordPress sites using the ThemeREX Work & Travel Company theme at version 1.2 or earlier. Sites not using this theme are not indicated as affected by the provided sources.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle, and no cited source confirms active exploitation. The CVSS vector indicates exploitation may be remotely reachable without authentication or user interaction, but the sources do not provide exploit details.
Researcher notes
Evidence is limited to the CVE entry and Patchstack reference in the bundle. The affected range is stated as through 1.2, but no patch version, proof-of-concept, or exploitation-in-the-wild confirmation is included. Avoid assuming broader WordPress or ThemeREX product impact.
Mitigation direction
- Identify all WordPress sites using the Work & Travel Company theme.
- Check whether installed theme versions are 1.2 or earlier.
- Review ThemeREX and Patchstack guidance for an official fix or workaround.
- Apply a vendor-supported update if one is available.
- If no fix exists, assess replacing or disabling the theme based on business risk.
Validation and detection
- Confirm theme name and version from WordPress asset inventory.
- Compare installed versions against the affected range: through 1.2.
- Verify whether vendor or Patchstack guidance has been published.
- Prioritize internet-facing WordPress sites for review.
- Monitor security logs for unusual WordPress theme-related activity.
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-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2026-27083 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.