CVE-2026-14819Public exploitNetwork attack vector

Administrator script execution via unescaped ticket history

Published Jul 28, 2026 · Updated Jul 28, 2026

Stored XSS in StellarWP Event Tickets before 5.28.4 allows remote authenticated users to run scripts in administrators' browsers. The Move Tickets workflow copies an Editor-controlled event title into a ticket history log and renders it without output escaping. Exploitation requires WordPress multisite, an Editor or higher role, the default Move Tickets feature, and an Administrator or Super Admin to expand the ticket's History panel.

CVSS severity3.5
Low
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in StellarWP Event Tickets before 5.28.4 allows remote authenticated users to run scripts in administrators' browsers. The Move Tickets workflow copies an Editor-controlled event title into a ticket history log and renders it without output escaping. Exploitation requires WordPress multisite, an Editor or higher role, the default Move Tickets feature, and an Administrator or Super Admin to expand the ticket's History panel.

The record

CVE
CVE-2026-14819
Published
Jul 28, 2026
Updated
Jul 28, 2026
Vendor
Liquid Web
Product
Event Tickets
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <5.28.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Liquid Web · Event Ticketsversion=0 <5.28.4

Published CVSS scores

3.5WPScanCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/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.

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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')
T1059.007JavaScript/JScript

Public exploit references

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

Technologies

Your stack

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Your stack

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