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.
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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
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WP Ultimate Review < 2.4.5 - Unauthenticated Arbitrary Shortcode Execution via Reviewer Email
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/103xxx/CVE-2026-103234.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://wpscan.com/vulnerability/e7bd1750-babb-4a72-bb00-ca3d1ee228ce/
Supplemental source - exploit, vdb-entry, technical-description
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.