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Event Tickets And Registration EUVDEUVD-2026-49699

| CVE-2026-14819 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-07-28 WPScan GHSA-c5f6-6q68-hmm6
3.5
CVSS 3.1 · Vendor: WPScan
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 28, 2026

Stored cross-site scripting in the Event Tickets and Registration WordPress plugin before 5.28.4 enables Editors and above to inject malicious scripts in event titles, which execute against higher-privileged users on multisite setups when they view the ticket history log. The vulnerability has a low CVSS of 3.5 and a low EPSS of 0.15%, but exploit code is publicly available. A patch in version 5.28.4 is available from the vendor.

Affected VersionsENISA

Event Tickets and Registration 0 <5.28.4

Affected Packages

euvd event_tickets_and_registration fix: 5.28.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (WPScan) PRIMARY 3.5 LOW
AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Primary rating from Vendor (WPScan) · only source for this CVE.

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
CVSS changed
Jul 28, 2026 - 14:37 NVD
3.5 (LOW)
Patch available
Jul 28, 2026 - 07:01 EUVD
CVE Published
Jul 28, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 28, 2026 - 06:00 cve.org
LOW 3.5

DescriptionCVE.org

The Event Tickets and Registration WordPress plugin before 5.28.4 does not properly escape event titles before outputting them in a ticket history log, allowing users with the Editor role and above to perform Stored Cross-Site Scripting attacks that execute against higher-privileged users on multisite installations.

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Exploit
POC
Public exploit code exists
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC Yes
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +18
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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