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TI-2026-13442 Aliases CVE-2026-16063GHSA-c58x-hvfg-9vjh

Event Booking Manager for WooCommerce < 5.3.7 - Author+ Stored XSS via Event Timeline Content

Priority MEDIUM 58CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Event Booking Manager for WooCommerce (Unknown): 5.3.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownEvent Booking Manager for WooCommercebefore 5.3.75.3.7Patch availableCNA
  • Event Booking Manager for WooCommerce VendorUnknown Affected before 5.3.7 Fixed in 5.3.7 Patch available CNA

Remediation

  • Fix · CNA Event Booking Manager for WooCommerce (Unknown) Fixed in 5.3.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Event Booking Manager for WooCommerce 5.3.7

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-13443 Event Booking Manager for WooCommerce < 5.3.7 - Contributor+ Arbitrary Post Modification via mpwem_quick_edit_eventPriority MEDIUM 58
    • TI-2026-13441 Event Booking Manager for WooCommerce < 5.3.7 - Contributor+ PHP Object Injection via Event Timeline and FAQ ContentPriority LOW 32
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-16063
  2. 2026-10-03 Alias added: GHSA-c58x-hvfg-9vjh

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences