Answer in brief
CVE-2026-16063 records a Medium severity (CVSS 5.4) vulnerability in Event Booking Manager for WooCommerce < 5.3.7 - Author+ Stored XSS via Event Timeline Content. The current sources do not mark it as known exploited. The current feed maps Unknown/Event Booking Manager for WooCommerce (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 5.4. 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 Unknown/Event Booking Manager for WooCommerce (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Event Booking Manager for WooCommercegeneric | >=0 <5.3.7 | 5.3.7 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
The Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 does not sanitise or escape event timeline content submitted by users with post-editing access before storing it and rendering it on the public event page, allowing users with the Author role and above to inject arbitrary JavaScript that executes in the browser of any visitor viewing the event, including administrators.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16063 records a Medium severity (CVSS 5.4) vulnerability in Event Booking Manager for WooCommerce < 5.3.7 - Author+ Stored XSS via Event Timeline Content. The current sources do not mark it as known exploited. The current feed maps Unknown/Event Booking Manager for WooCommerce (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 5.4. 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 Unknown/Event Booking Manager for WooCommerce (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Event Booking Manager for WooCommercegeneric | >=0 <5.3.7 | 5.3.7 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
The Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 does not sanitise or escape event timeline content submitted by users with post-editing access before storing it and rendering it on the public event page, allowing users with the Author role and above to inject arbitrary JavaScript that executes in the browser of any visitor viewing the event, including administrators.
Quoted source text, attributed separately from HOL analysis.