CVE-2026-16063Public exploitNetwork attack vector

Stored XSS via unsanitized event timeline content

Published Aug 2, 2026 · Updated Aug 2, 2026

Stored XSS in MagePeople Event Booking Manager for WooCommerce before 5.3.7 allows remote authenticated users to run JavaScript. The Event Timeline editor accepts mep_day_content[] values without sanitizing them and later renders the stored value as raw markup on the public event page. Author-level post-editing access is required to plant the payload, and execution occurs when any visitor, including an administrator, views the event.

CVSS severity5.4
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in MagePeople Event Booking Manager for WooCommerce before 5.3.7 allows remote authenticated users to run JavaScript. The Event Timeline editor accepts mep_day_content[] values without sanitizing them and later renders the stored value as raw markup on the public event page. Author-level post-editing access is required to plant the payload, and execution occurs when any visitor, including an administrator, views the event.

The record

CVE
CVE-2026-16063
Published
Aug 2, 2026
Updated
Aug 2, 2026
Vendor
MagePeople Team
Product
Event Booking Manager for WooCommerce
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <5.3.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MagePeople Team · Event Booking Manager for WooCommerceversion=0 <5.3.7

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo