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PatchSiren cyber security CVE debrief

CVE-2026-112848 AivahThemes CVE debrief

A critical vulnerability was found in the WordPress Hostme v2 theme, affecting versions up to 7.0. This issue allows for PHP Object Injection due to deserialization of untrusted data. The vulnerability has a CVSS score of 9.8 and is considered critical. The vulnerability was reported by Patchstack and is documented in the CVE Program record and the NVD vulnerability detail page. Affected versions must be updated to prevent exploitation. The vulnerability allows for PHP Object Injection, which can lead to remote code execution and potential data breaches.

Vendor
AivahThemes
Product
Hostme v2
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-23
Original CVE updated
2026-10-24
Advisory published
2026-10-23
Advisory updated
2026-10-24

Who should care

WordPress administrators and users of the Hostme v2 theme should assess their exposure and take necessary actions to mitigate the vulnerability.

Why it matters

CVE-2026-112848 is a critical vulnerability in the WordPress Hostme v2 theme that requires immediate attention from administrators and users. The vulnerability allows for PHP Object Injection, which can lead to remote code execution and potential data breaches. Affected versions must be updated to prevent exploitation.

  • Potential for remote code execution
  • Possible data breaches due to object injection
  • Required verification of affected versions and remediation
  • Need for monitoring and incident response planning

Technical summary

The vulnerability is caused by deserialization of untrusted data in the Hostme v2 theme, allowing for PHP Object Injection. This issue affects versions up to 7.0. The vulnerability has a CVSS score of 9.8 and is considered critical. The vulnerability allows for PHP Object Injection, which can lead to remote code execution and potential data breaches. Affected versions must be updated to prevent exploitation.

Defensive priority

High

Recommended defensive actions

  • Update the Hostme v2 theme to a version greater than 7.0
  • Review and monitor the affected system for potential exploitation attempts
  • Implement additional security measures to prevent object injection attacks

Evidence notes

The vulnerability was reported by Patchstack and is documented in the CVE Program record and the NVD vulnerability detail page. The CVE record was published on 2026-10-23T13:00:20.030Z and has not been modified since then. The official CVE Program record and NVD detail page provide additional information on the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-112848 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-112848

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-112848 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-112848

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.