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TI-2026-13441 Aliases CVE-2026-16062GHSA-xh9j-gpmv-5c2v

Event Booking Manager for WooCommerce < 5.3.7 - Contributor+ PHP Object Injection via Event Timeline and FAQ Content

Priority LOW 32CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

The Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 does not prevent the deserialization of user-controlled input in some of its event content fields, allowing users with Contributor-level access and above to inject PHP objects. No POP chain is present in the Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 itself, but if one is present via another installed Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 or , this could lead to actions such as arbitrary file deletion, sensitive data retrieval, or remote code execution. This is an incomplete fix of the Event Booking Manager for WooCommerce WordPress plugin before 5.3.7's earlier object-injection advisories.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00594 48th 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
None
Automatable
No
Technical impact
Total

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-2026-13442 Event Booking Manager for WooCommerce < 5.3.7 - Author+ Stored XSS via Event Timeline ContentPriority MEDIUM 58
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-16062
  2. 2026-10-03 Alias added: GHSA-xh9j-gpmv-5c2v

References

Exploit 1

Sources

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