CVE-2026-101159 WP Ultimate Review CVE debrief

Who should care

Defenders responsible for WordPress installations with the WP Ultimate Review plugin should assess exposure and prioritize verification of plugin version 2.4.4 or later. They should also restrict public review form submissions to prevent Stored Cross-Site Scripting attacks and monitor user reviews for suspicious activity. This vulnerability impacts user trust and requires verification of plugin version 2.4.4 or later.

Why it matters

Defenders should care about CVE-2026-101159 because it allows unauthenticated visitors to perform Stored Cross-Site Scripting attacks against administrators viewing reviews, potentially impacting user trust and requiring verification of plugin version 2.4.4 or later.

• Potential for Stored Cross-Site Scripting attacks against administrators viewing reviews
• Possible impact on user trust due to public review form submissions
• Verification priority for plugin version 2.4.4 or later

Technical summary

The WP Ultimate Review WordPress plugin before 2.4.4 does not properly sanitise and escape reviews submitted through its public review form, allowing unauthenticated visitors to perform Stored Cross-Site Scripting attacks against any user, including administrators. This vulnerability impacts user trust and requires verification of plugin version 2.4.4 or later. The plugin's public review form is available to unauthenticated visitors, which can lead to potential Stored Cross-Site Scripting attacks against administrators viewing reviews

Defensive priority

Defenders should prioritize verifying the presence of the WP Ultimate Review plugin version 2.4.4 or later, and restrict public review form submissions to prevent Stored Cross-Site Scripting attacks.

Recommended defensive actions

• Verify the presence of WP Ultimate Review plugin version 2.4.4 or later
• Restrict public review form submissions to prevent Stored Cross-Site Scripting attacks
• Monitor user reviews 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 record and NVD entry provide limited information about the vulnerability, with the WPScan reference being the primary source of details. The WP Ultimate Review WordPress plugin before 2.4.4 does not properly sanitise and escape reviews submitted through its public review form. This allows unauthenticated visitors to perform Stored Cross-Site Scripting attacks against any user, including administrators, viewing a page displaying the review, when user reviews are enabled. Evidence is limited, and defenders should verify plugin 2

Sources and 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.