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Back to active CVEs
High · CVSS 7.1CVE-2026-66621

WordPress Ultimate Dashboard Pro plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerabilityCVE-2026-66621

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), Ultimate Dashboard/ultimate-dashboard-pro (generic), MapSteps UG/Ultimate Dashboard Pro (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.

Published Aug 18, 2026Updated Oct 5, 2026Source checked Oct 9, 2026First seen by HOL Aug 18, 2026Material review Oct 5, 2026
Upstream Advisory

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 9, 2026
References
2 linked sources
Open source record

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

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.

Affected scope and exposure questions

The current feed maps Ultimate Dashboad/Ultimate Dashboard (generic), Ultimate Dashboard/ultimate-dashboard-pro (generic), MapSteps UG/Ultimate Dashboard Pro (generic), MapSteps UG/Ultimate Dashboard Pro (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Ultimate Dashboad/Ultimate Dashboardgenericn/aNot reported
Ultimate Dashboard/ultimate-dashboard-progeneric>=0 <=3.11.2Not reported
MapSteps UG/Ultimate Dashboard Progenericn/aNot reported
MapSteps UG/Ultimate Dashboard Progeneric>=n/a <=3.11.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Ultimate Dashboad/Ultimate Dashboard, Ultimate Dashboard/ultimate-dashboard-pro, MapSteps UG/Ultimate Dashboard Pro.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 18, 2026

Sources and claim methodology

  • Source referencepatchstack.com
  • Source referencepatchstack.com
Upstream source description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Dashboard Ultimate Dashboard Pro 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.

Related CVEs

  • Contao: Cross-site scripting in the comments bundleAlso CWE-79
  • @tinacms/web-components: `tina-markdown` writes rich-text link URLs into `href` without scheme validation, allowing stored XSSAlso CWE-79
  • WordPress FV Flowplayer Video Player plugin <= 7.5.54.7212 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • MariaDB: `qc_info` plugin can do OOB reads if query contains \0Same generic ecosystem
  • MariaDB: mysql_json plugin OOB readsSame generic ecosystem
  • MariaDB: environment injection via wsrep bootstrap in the mariadb.service fileSame generic ecosystem