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PatchSiren cyber security CVE debrief

CVE-2026-103234 WP Ultimate Review CVE debrief

The WP Ultimate Review plugin before 2.4.5 does not neutralize shortcodes in all review fields submitted through its public review form. This allows unauthenticated visitors to execute arbitrary shortcodes when the affected field is displayed, provided user reviews and that field's display are enabled. The vulnerability impacts WordPress site security, allowing potential malicious code execution. Defenders should assess exposure and prioritize verification and remediation efforts, focusing on updating the plugin to version 2.4.5 or later and restricting public review form access.

Vendor
WP Ultimate Review
Product
WP Ultimate Review
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-22
Original CVE updated
2026-10-22
Advisory published
2026-10-22
Advisory updated
2026-10-22

Who should care

Defenders responsible for WP Ultimate Review plugin installations, WordPress site administrators, and security teams should assess exposure and prioritize verification and remediation.

Why it matters

The WP Ultimate Review plugin vulnerability allows unauthenticated visitors to execute arbitrary shortcodes, potentially leading to malicious code execution and impacting WordPress site security. Defenders should prioritize verifying plugin versions, restricting public review form access, and monitoring review field input.

  • Unauthenticated arbitrary shortcode execution
  • Potential for malicious code execution
  • Need for plugin version verification
  • Possible impact on WordPress site security

Technical summary

The WP Ultimate Review plugin before 2.4.5 does not neutralize shortcodes in all review fields submitted through its public review form, allowing unauthenticated visitors to execute arbitrary shortcodes when the affected field is displayed. This vulnerability impacts WordPress site security, potentially leading to malicious code execution. Defenders should prioritize verifying plugin versions, restricting public review form access, and monitoring review field input for suspicious activity. The vulnerability has been confirmed in WP Ultimate Review plugin versions before 2.4.5.

Defensive priority

Defenders should prioritize verifying if their WP Ultimate Review plugin is version 2.4.5 or later, and restrict public review form access or monitor review field input.

Recommended defensive actions

  • Verify WP Ultimate Review plugin version and update if necessary
  • Restrict public review form access
  • Monitor review field input for suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE Program record and NVD vulnerability detail provide official information about the vulnerability. The WPScan source reference offers additional technical details. The vulnerability has been confirmed in WP Ultimate Review plugin versions before 2.4.5. Defenders should verify plugin versions and monitor review field input for suspicious activity. The CVE record was published on 2026-10-22T06:00:16.908Z and has not been modified since then.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-103234 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-103234

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

  • CVE-2026-103234 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-103234

    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.