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PatchSiren cyber security CVE debrief

CVE-2026-93930 ThemeREX Group CVE debrief

A critical vulnerability was found in the WordPress Tantra theme, versions up to and including 2.9.0, which allows for PHP Object Injection due to deserialization of untrusted data. This issue, tracked as CVE-2026-93930, has a CVSS score of 9.8, indicating a high severity level. The vulnerability is exploitable over the network with low attack complexity, requiring no privileges or user interaction. Successful exploitation could lead to high impacts on confidentiality, integrity, and availability.

Vendor
ThemeREX Group
Product
Tantra
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 and administrators using the WordPress Tantra theme, especially in environments where the theme is actively used, should assess their exposure and apply remediation or patches provided by the vendor.

Why it matters

CVE-2026-93930 is a critical vulnerability in the WordPress Tantra theme that requires immediate attention from defenders and administrators. The vulnerability allows for PHP Object Injection and has a high CVSS score of 9.8. Defenders should assess exposure, prioritize remediation, and monitor for potential exploitation attempts.

  • Potential for high impact on confidentiality, integrity, and availability if exploited
  • Requires verification of affected versions and exposure in specific environments
  • Necessity for defenders to assess and prioritize remediation efforts

Technical summary

The WordPress Tantra theme, versions up to and including 2.9.0, is vulnerable to PHP Object Injection due to deserialization of untrusted data. This vulnerability, CVE-2026-93930, has a CVSS score of 9.8 and can be exploited over the network with low attack complexity, requiring no privileges or user interaction.

Defensive priority

Defenders should prioritize assessing exposure and applying remediation for this vulnerability, especially in environments where the WordPress Tantra theme is used.

Recommended defensive actions

  • Assess exposure of WordPress Tantra theme versions up to and including 2.9.0
  • Apply remediation or patches provided by the vendor
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and source item provide details on the vulnerability, including its CVSS score and affected versions. However, there is limited information on exploitation or impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-93930 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-93930

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

  • CVE-2026-93930 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-93930

    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.