Security readout for executives and security teams
Plain-English summary
CVE-2026-22474 is a critical vulnerability in the WordPress Equestrian Centre theme from ThemeREX, affecting versions up to 1.5. It may allow unauthenticated attackers over the network to inject PHP objects through unsafe deserialization. For a business, exposed public WordPress sites using this theme should be treated as urgent review items.
Executive priority
High priority for any organization running this theme on an internet-facing WordPress site. The severity is critical and the attack conditions are favorable, but active exploitation is not confirmed in the provided sources. Prioritize identification, update guidance review, and temporary risk reduction if affected.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, leading to PHP Object Injection in the ThemeREX Equestrian Centre WordPress theme. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The provided sources do not identify a fixed version or specific mitigation.
Likely exposure
Likely exposure is limited to WordPress installations running the ThemeREX Equestrian Centre theme, reported as affected through version 1.5. Public-facing WordPress sites using this theme have the highest concern. The source bundle contains inconsistent affected-version metadata, so confirm installed theme name and version directly.
Exploitation context
No provided source states active exploitation, and the CVE is not marked as CISA KEV. The CVSS vector indicates a remotely reachable, unauthenticated issue with high potential impact to confidentiality, integrity, and availability if exploitable in a target environment.
Researcher notes
Analysis is constrained to the CVE record and Patchstack reference in the source bundle. The available data identifies object injection via unsafe deserialization but does not provide exploit details, affected code paths, prerequisites beyond CVSS, or a fixed version. Avoid assuming exploitability across all WordPress configurations without local validation.
Mitigation direction
- Inventory WordPress sites for the ThemeREX Equestrian Centre theme.
- Confirm whether installed versions are 1.5 or earlier.
- Check ThemeREX and Patchstack guidance for a fixed release or mitigation.
- Deactivate or replace the theme if no safe update is available.
- Restrict administrative access and monitor affected sites for suspicious changes.
Validation and detection
- Review WordPress theme inventory and installed theme versions.
- Check whether the active or installed theme package is equestrian-centre.
- Compare findings with the CVE and Patchstack affected-version statements.
- Confirm whether vendor guidance or an update is available.
- Review web logs and file integrity alerts for abnormal 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-2026-22474 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.