PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-62105 ThemeRex CVE debrief

Unauthenticated PHP Object Injection vulnerability in ThemeREX Addons versions less than 2.45.0 allows for potential code execution. Defenders should verify exposure and apply patches due to the critical severity rating of 9.8. The CVE record and NVD entry provide limited information, and further review is necessary to understand the full impact. Confirm affected product deployments exist in managed environments and assign an

Vendor
ThemeRex
Product
ThemeREX Addons
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-11
Original CVE updated
2026-09-11
Advisory published
2026-09-11
Advisory updated
2026-09-11

Who should care

Defenders responsible for WordPress installations with ThemeREX Addons should verify exposure and apply patches

Why it matters

Defenders should prioritize verifying exposure and applying patches for ThemeREX Addons versions less than 2.45.0 due to the critical severity rating and potential for unauthenticated code execution.

  • Potential for unauthenticated code execution
  • Possible impact on WordPress installations with ThemeREX Addons

Technical summary

The vulnerability is an unauthenticated PHP Object Injection in ThemeREX Addons versions less than 2.45.0, with a CVSS score of 9.8 and critical severity rating.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for ThemeREX Addons versions less than 2.45.0.

Recommended defensive actions

  • Verify ThemeREX Addons version and apply patches for versions less than 2.45.0
  • Review and update inventory of affected systems
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with a CVSS score of 9.8 and a critical severity rating.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-62105 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-62105

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

  • CVE-2026-62105 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-62105

    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.