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PatchSiren cyber security CVE debrief

CVE-2026-81797 ThemeRex CVE debrief

The Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2 is vulnerable to Unauthenticated PHP Object Injection, a critical vulnerability with a CVSS score of 9.8. This vulnerability allows unauthenticated attackers to inject malicious PHP objects, potentially leading to severe operational impacts. Defenders should verify exposure and prioritize remediation for WordPress installations using this theme. The CVE-

Vendor
ThemeRex
Product
Buzz Stone | Magazine & Viral Blog WordPress Theme
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-10
Original CVE updated
2026-10-10
Advisory published
2026-10-10
Advisory updated
2026-10-10

Who should care

Defenders responsible for WordPress installations using Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2 should assess exposure and prioritize remediation.

Why it matters

Defenders should prioritize verification of exposure and remediation for WordPress installations using Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2 due to the critical Unauthenticated PHP Object Injection vulnerability.

  • Potential for unauthenticated PHP object injection
  • Critical CVSS score of 9.8 indicating high severity
  • Verification of exposure and remediation priority

Technical summary

The Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2 is vulnerable to Unauthenticated PHP Object Injection. The CVSS score is 9.8, indicating a critical vulnerability.

Defensive priority

Defenders should prioritize verification of exposure and remediation for WordPress installations using Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2.

Recommended defensive actions

  • Verify WordPress installations for Buzz Stone | Magazine & Viral Blog WordPress Theme versions <= 1.0.2
  • Assess exposure and prioritize remediation
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the actual impact and affected scope.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-81797 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-81797

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

  • CVE-2026-81797 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81797

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

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.