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The Events Calendar CVE-2024-12118

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-01-23 security@wordfence.com
6.4
CVSS 3.1 · NVD
View

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.

Impact

CVSS score of 6.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.19%.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Event Calendar Link Widget through the html_tag attribute in all versions up to, and including, 6.9.0. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Event Calendar Link Widget through the html_tag attribute in all versions up to, and including, 6.9.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Affected products include: Theeventscalendar The Events Calendar.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Patch released
Mar 28, 2026 - 18:05 nvd
Patch available
CVE Published
Jan 23, 2025 - 12:15 nvd
MEDIUM 6.4

DescriptionCVE.org

The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Event Calendar Link Widget through the html_tag attribute in all versions up to, and including, 6.9.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Executive ViewAI

Why It Matters

Organizations using The Events Calendar should be aware of moderate risk from CVE-2024-12118, a cross-site scripting vulnerability rated CVSS 6.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.

Threat Intelligence Overview

EPSS Score
0.2%
Top 59% exploitable

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
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.

Affected Products (CPE)CVE.org

cpe:2.3:a:theeventscalendar:the_events_calendar:*:*:*:*:*:wordpress:*:*
CVE-2026-78006 CRITICAL POC
9.8 Sep 12

Remote code execution in The Events Calendar plugin for WordPress (StellarWP) affects all versions up to and including 6

CVE-2024-4180 CRITICAL POC
9.1 Jun 04

The Events Calendar WordPress plugin before 6.4.0.1 does not properly sanitize user-submitted content when rendering som

CVE-2023-6203 HIGH POC
7.5 Dec 18

The Events Calendar WordPress plugin before 6.2.8.1 discloses the content of password protected posts to unauthenticated

CVE-2026-84740 MEDIUM POC
6.5 Oct 02

Unauthenticated shortcode injection in The Events Calendar WordPress plugin before 6.17.5.1 allows remote attackers to t

CVE-2024-1295 MEDIUM POC
6.5 Jun 14

The events-calendar-pro WordPress plugin before 6.4.0.1, The Events Calendar WordPress plugin before 6.4.0.1 does not pr

CVE-2026-78159 CRITICAL
9.8 Sep 12

Remote code execution in The Events Calendar WordPress plugin (StellarWP) through version 6.17.3 lets unauthenticated at

CVE-2026-95606 CRITICAL
9.8 Oct 07

PHP object injection in The Events Calendar WordPress plugin (all versions through 6.17.4, published by Liquid Web / Ste

CVE-2026-78265 CRITICAL
9.8 Aug 24

PHP Object Injection in the WordPress plugin The Events Calendar (all versions up to and including 6.17.2) allows unauth

CVE-2024-8275 CRITICAL
9.8 Sep 25

The The Events Calendar plugin for WordPress is vulnerable to SQL Injection via the 'order' parameter of the 'tribe_has_

CVE-2026-49772 CRITICAL
9.3 Jun 16

Blind SQL injection in The Events Calendar WordPress plugin (versions 6.15.12 through 6.16.2) by Liquid Web / StellarWP

CVE-2026-13390 MEDIUM POC
5.3 Jul 27

Integrity bypass in The Events Calendar WordPress plugin allows unauthenticated attackers to mark existing Event Aggrega

CVE-2024-5333 MEDIUM POC
5.3 Dec 16

The Events Calendar WordPress plugin before 6.8.2.1 is missing access checks in the REST API, allowing for unauthenticat

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