What happened
The WP Ultimate Review WordPress plugin before 2.4.4 does not properly sanitise and escape reviews submitted through its public review form, which is available to unauthenticated visitors, allowing them to perform Stored Cross-Site Scripting attacks against any user, including administrators, viewing a page displaying the review, when user reviews are enabled.
Affected versions
WP Ultimate Review: before 2.4.4 (semver) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.