Security readout for executives and security teams
Plain-English summary
CVE-2026-22475 is a critical vulnerability in the WordPress Estate theme by axiomthemes, affecting versions up to 1.3.4. A remote, unauthenticated attacker may be able to trigger PHP object injection through unsafe deserialization. For organizations using this theme, treat it as urgent because the CVSS rating indicates potential full confidentiality, integrity, and availability impact.
Executive priority
High priority for any organization running the Estate WordPress theme. The vulnerability is critical and potentially remotely exploitable without login, but public evidence provided does not confirm active exploitation or identify a fixed version.
Technical view
The CVE describes CWE-502, deserialization of untrusted data, in Estate theme <= 1.3.4. The CVSS 3.1 vector is 9.8: network-accessible, low complexity, no privileges, no user interaction, unchanged scope, with high CIA impact. Public sources do not name a fixed version or detailed vendor mitigation.
Likely exposure
Exposure is limited to WordPress sites with the axiomthemes Estate theme installed at version 1.3.4 or earlier. Public sources do not clarify whether inactive installations are exploitable, so include all installed copies in review.
Exploitation context
The CVSS vector indicates unauthenticated remote exploitability without user interaction. The provided sources do not state active exploitation, and the CVE is not listed as KEV in the supplied data.
Researcher notes
Analysis is constrained to the CVE record and Patchstack entry. No exploit details, proof-of-concept status, or vendor patch version are provided in the source bundle. Avoid assuming exploitability on non-Estate themes or unsupported version ranges.
Mitigation direction
- Inventory WordPress sites for the Estate theme and record installed versions.
- Prioritize any Estate installation at version 1.3.4 or earlier.
- Check Patchstack and vendor guidance for a fixed release or official workaround.
- Update to a fixed version if one is confirmed by trusted sources.
- If no fix is available, consider removing or replacing the theme.
Validation and detection
- Confirm the theme slug/name is Estate by axiomthemes.
- Verify the installed theme version on each WordPress site.
- Check whether vulnerable copies exist in production, staging, or backups.
- Review Patchstack and CVE records for updated remediation information.
- Monitor logs for unusual activity, without assuming compromise from this CVE alone.
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-2026-22475 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.