Answer in brief
CVE-2026-66621 records a High severity (CVSS 7.1) vulnerability in WordPress Ultimate Dashboard Pro plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerability. The current sources do not mark it as known exploited. The current feed maps Ultimate Dashboad/Ultimate Dashboard (generic), MapSteps UG/Ultimate Dashboard Pro (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Ultimate Dashboad/Ultimate Dashboard (generic), MapSteps UG/Ultimate Dashboard Pro (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Ultimate Dashboad/Ultimate Dashboardgeneric | n/a | Not reported |
| MapSteps UG/Ultimate Dashboard Progeneric | n/a | Not reported |
Published upstream
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 18, 2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in MapSteps UG Ultimate Dashboard Pro allows DOM-Based XSS. This issue affects Ultimate Dashboard Pro: from n/a through 3.11.2.
Quoted source text, attributed separately from HOL analysis.