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PatchSiren cyber security CVE debrief

CVE-2026-93933 ThemeREX Group CVE debrief

A critical vulnerability was found in the Rosalinda WordPress theme, affecting versions up to 1.2.4. This issue allows for PHP Object Injection due to deserialization of untrusted data. The vulnerability has a CVSS score of 9.8, indicating high severity. Defenders should assess exposure, prioritize remediation, and monitor for potential exploitation attempts. The CVE record and source item provide details on the vulnerability, including its CVSS score and affected versions. However, additional information on exploitation or impact is limited.

Vendor
ThemeREX Group
Product
Rosalinda
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, particularly those using the Rosalinda theme, should assess exposure and prioritize remediation due to the high CVSS score.

Why it matters

CVE-2026-93933 is a critical vulnerability in the Rosalinda WordPress theme, allowing for PHP Object Injection. Defenders should assess exposure, prioritize remediation, and monitor for potential exploitation attempts due to the high CVSS score.

  • Potential for code execution on affected systems.
  • Possible data breaches or unauthorized access.
  • Required verification of inventory and remediation due to high CVSS score.

Technical summary

The Rosalinda WordPress theme, versions up to 1.2.4, is affected by a PHP Object Injection vulnerability due to deserialization of untrusted data. This issue has a CVSS score of 9.8, indicating high severity. The vulnerability allows for potential code execution on affected systems, possible data breaches or unauthorized access, and required verification of inventory and remediation due to high CVSS score.

Defensive priority

Defenders should prioritize assessing exposure and verifying inventory for the Rosalinda theme, versions up to 1.2.4, and consider immediate remediation due to the high CVSS score.

Recommended defensive actions

  • Assess exposure and verify inventory for the Rosalinda theme, versions up to 1.2.4.
  • Consider immediate remediation due to the high CVSS score.
  • 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, additional information on exploitation or impact is limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-93933 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-93933

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

  • CVE-2026-93933 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-93933

    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.