The Events Calendar vulnerabilities

Known security issues in the The Events Calendar WordPress plugin, by affected version, with severity, CVE and the version that fixes each one.

Plugin slug: the-events-calendar
Latest version: 6.18.2
Active installs: 600,000+
Known vulnerabilities: 54
Data updated: 2026-10-17 08:41 UTC

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This information comes from public vulnerability databases and may be incomplete or out of date. A plugin with no known vulnerabilities is not proof that it is secure; keep plugins updated and remove the ones you do not use.

Fixed in version 6.18.2 (1)

The Events Calendar: Fixed in version 6.18.2
Vulnerability	Severity	CVSS	Affected versions	Published
[en] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Stored XSS.This issue affects The Events Calendar: from n/a thr CVE-2026-110903 · Source	Medium	6.5	< 6.18.2	2026-10-16

Fixed in version 6.17.5.1 (2)

The Events Calendar: Fixed in version 6.17.5.1
Vulnerability	Severity	CVSS	Affected versions	Published
[en] The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary short CVE-2026-84740 · Source	Medium	6.5	>= 6.12.0 and < 6.17.5.1	2026-10-02
The Events Calendar <= 6.17.5 - Missing Authorization CVE-2026-97285 · Source	Medium	5.4	< 6.17.5.1	2026-09-21

Fixed in version 6.17.5 (3)

The Events Calendar: Fixed in version 6.17.5
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar 6.15.0 - 6.17.4.1 - Missing Authorization CVE-2026-84742 · Source	Not rated	-	>= 6.15.0 and < 6.17.5	2026-09-21
The Events Calendar 4.5 - 6.17.4.1 - Unauthenticated Information Exposure CVE-2026-84741 · Source	Not rated	-	>= 4.5 and < 6.17.5	2026-09-21
The Events Calendar 6.15.16.1 - 6.17.4.1 - Missing Authorization CVE-2026-84743 · Source	Not rated	-	>= 6.15.16.1 and < 6.17.5	2026-09-21

Fixed in version 6.17.4.1 (2)

The Events Calendar: Fixed in version 6.17.4.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.17.4 - Unauthenticated PHP Object Injection CVE-2026-95606 · Source	Critical	9.8	< 6.17.4.1	2026-09-30
The Events Calendar <= 6.17.4 - Unauthenticated PHP Object Injection to Remote Code Execution CVE-2026-78006 · Source	Critical	9.8	< 6.17.4.1	2026-09-11

Fixed in version 6.17.3.1 (2)

The Events Calendar: Fixed in version 6.17.3.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.17.3 - Unauthenticated Code Injection to Remote Code Execution via Widget 'classes' Map Callable Invocation CVE-2026-78159 · Source	Critical	9.8	< 6.17.3.1	2026-09-11
The Events Calendar < 6.17.3.1 - Authenticated (Contributor+) Information Exposure CVE-2026-84745 · Source	Not rated	-	< 6.17.3.1	2026-08-24

Fixed in version 6.17.3 (1)

The Events Calendar: Fixed in version 6.17.3
Vulnerability	Severity	CVSS	Affected versions	Published
[en] Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions. CVE-2026-78265 · Source	Critical	9.8	< 6.17.3	2026-08-24

Fixed in version 6.16.5.1 (1)

The Events Calendar: Fixed in version 6.16.5.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation CVE-2026-13390 · Source	Not rated	-	< 6.16.5.1	0000-00-00

Fixed in version 6.16.3 (1)

The Events Calendar: Fixed in version 6.16.3
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar 6.15.12-6.16.2 - Unauthenticated SQL Injection CVE-2026-49772 · Source	Critical	9.3	< 6.16.3	2026-06-08

Fixed in version 6.15.17.1 (1)

The Events Calendar: Fixed in version 6.15.17.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.17 - Authenticated (Author+) Arbitrary File Read via ajax_create_import CVE-2026-3585 · Source	Not rated	-	< 6.15.17.1	0000-00-00

Fixed in version 6.15.16.1 (1)

The Events Calendar: Fixed in version 6.15.16.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.16 - Improper Authorization to Authenticated (Contributor+) Event/Organizer/Venue Update/Trash via REST API CVE-2026-2694 · Source	Not rated	-	< 6.15.16.1	0000-00-00

Fixed in version 6.15.13.1 (1)

The Events Calendar: Fixed in version 6.15.13.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.13 - Missing Authorization to Authenticated (Subscriber+) Data Migration Control CVE-2025-15043 · Source	Medium	5.4	< 6.15.13.1	2026-01-20

Fixed in version 6.15.13 (1)

The Events Calendar: Fixed in version 6.15.13
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.12.2 - Missing Authorization CVE-2025-69352 · Source	Medium	5.4	< 6.15.13	2026-01-06

Fixed in version 6.15.10 (3)

The Events Calendar: Fixed in version 6.15.10
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar 6.15.1.1 - 6.15.9 - Unauthenticated SQL Injection via s CVE-2025-12197 · Source	High	7.5	< 6.15.10	2025-11-04
The Events Calendar <= 6.15.9 - Sysinfo Key Incorrect Comparison to Unauthenticated Sensitive Information Exposure CVE-2025-12192 · Source	Medium	5.3	< 6.15.10	2025-11-04
The Events Calendar <= 6.15.9 - Missing Authorization to Authenticated (Subscriber+) Draft Event Title/QR Code Exposure CVE-2025-12175 · Source	Medium	4.3	< 6.15.10	2025-10-30

Fixed in version 6.15.3 (1)

The Events Calendar: Fixed in version 6.15.3
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.2 - Missing Authorization to Unauthenticated Password-Protected Information Disclosure CVE-2025-9808 · Source	Not rated	-	< 6.15.3	0000-00-00

Fixed in version 6.15.1.1 (1)

The Events Calendar: Fixed in version 6.15.1.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.15.1 - Unauthenticated SQL Injection CVE-2025-9807 · Source	Not rated	-	< 6.15.1.1	0000-00-00

Fixed in version 6.13.2.1 (1)

The Events Calendar: Fixed in version 6.13.2.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.13.2 - Authenticated (Contributor+) DOM-Based Stored Cross-Site Scripting CVE-2025-5144 · Source	Medium	5.4	< 6.13.2.1	0000-00-00

Fixed in version 6.12.0 (1)

The Events Calendar: Fixed in version 6.12.0
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.11.2.1 - Missing Authorization CVE-2025-48246 · Source	Low	0.0	< 6.12.0	2025-05-19

Fixed in version 6.9.1 (1)

The Events Calendar: Fixed in version 6.9.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-12118 · Source	Medium	6.4	< 6.9.1	2025-01-22

Fixed in version 6.8.2.1 (1)

The Events Calendar: Fixed in version 6.8.2.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin < 6.8.2.1 is vulnerable to Broken Access Control CVE-2024-5333 · Source	Medium	5.3	< 6.8.2.1	2024-11-25

Fixed in version 6.7.1 (1)

The Events Calendar: Fixed in version 6.7.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.7.0 - Cross-Site Request Forgery CVE-2025-24537 · Source	Medium	5.4	< 6.7.1	2025-01-09

Fixed in version 6.6.4.1 (1)

The Events Calendar: Fixed in version 6.6.4.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 6.6.4 is vulnerable to SQL Injection CVE-2024-8275 · Source	Critical	9.8	< 6.6.4.1	2024-09-24

Fixed in version 6.6.4 (2)

The Events Calendar: Fixed in version 6.6.4
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 6.5.1.6 is vulnerable to Cross Site Scripting (XSS) CVE-2024-6931 · Source	Medium	6.1	< 6.6.4	2024-07-23
The Events Calendar < 6.6.4 - Admin+ Stored XSS CVE-2024-8493 · Source	Medium	4.8	< 6.6.4	0000-00-00

Fixed in version 6.5.1.5 (1)

The Events Calendar: Fixed in version 6.5.1.5
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 6.5.1.4 is vulnerable to Cross Site Request Forgery (CSRF) CVE-2024-37518 · Source	Medium	4.3	< 6.5.1.5	2024-07-05

Fixed in version 6.4.0.1 (2)

The Events Calendar: Fixed in version 6.4.0.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin < 6.4.0.1 is vulnerable to Cross Site Scripting (XSS) CVE-2024-4180 · Source	Critical	9.1	< 6.4.0.1	2024-05-14
The Events Calendar Free & Pro <= 6.4.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Events Access CVE-2024-1295 · Source	Medium	6.5	< 6.4.0.1	2024-05-24

Fixed in version 6.3.1 (1)

The Events Calendar: Fixed in version 6.3.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 6.3.0 is vulnerable to Cross Site Request Forgery (CSRF) CVE-2024-31433 · Source	Medium	4.3	< 6.3.1	2024-04-10

Fixed in version 6.2.9 (1)

The Events Calendar: Fixed in version 6.2.9
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.2.8.2 - Unauthenticated Sensitive Information Exposure CVE-2023-6557 · Source	Medium	5.3	< 6.2.9	2024-01-12

Fixed in version 6.2.8.1 (2)

The Events Calendar: Fixed in version 6.2.8.1
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.2.8 - Information Disclosure CVE-2023-6203 · Source	High	7.5	< 6.2.8.1	2023-11-20
WordPress The Events Calendar Plugin < 6.2.8.1 is vulnerable to Sensitive Data Exposure No CVE assigned · Source	Not rated	-	< 6.2.8.1	2023-11-22

Fixed in version 6.1.3 (1)

The Events Calendar: Fixed in version 6.1.3
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 6.1.2.2 - Missing Authorization CVE-2023-35777 · Source	Medium	5.3	< 6.1.3	2023-07-25

Fixed in version 6.1.0 (1)

The Events Calendar: Fixed in version 6.1.0
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 6.0.13.1 is vulnerable to Cross Site Scripting (XSS) CVE-2023-33999 · Source	High	7.1	< 6.1.0	2023-07-18

Fixed in version 5.14.0.4 (6)

The Events Calendar: Fixed in version 5.14.0.4
Vulnerability	Severity	CVSS	Affected versions	Published
Freemius SDK <= 2.4.2 - Missing Authorization Checks CVE-2022-4974 · Source	Medium	6.3	< 5.14.0.4	2022-03-04
WordPress The Events Calendar Plugin < 5.14.0.4 is vulnerable to Cross Site Request Forgery (CSRF) No CVE assigned · Source	Not rated	-	< 5.14.0.4	2023-02-28
WordPress The Events Calendar Plugin < 5.14.0.4 is vulnerable to Sensitive Data Exposure No CVE assigned · Source	Not rated	-	< 5.14.0.4	2023-02-28
WordPress The Events Calendar plugin < 5.14.0.4 - Sensitive Information Disclosure vulnerability No CVE assigned · Source	Not rated	-	< 5.14.0.4	2022-02-28
WordPress The Events Calendar plugin < 5.14.0.4 - Toggle The Debug Mode via Cross-Site Request Forgery (CSRF) vulnerability No CVE assigned · Source	Not rated	-	< 5.14.0.4	2022-02-28
Unauthorised AJAX Calls via Freemius No CVE assigned · Source	Not rated	-	< 5.14.0.4	-

Fixed in version 5.14.0 (1)

The Events Calendar: Fixed in version 5.14.0
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar < 5.14.0 - Reflected Cross-Site Scripting No CVE assigned · Source	Not rated	-	< 5.14.0	-

Fixed in version 4.8.2 (1)

The Events Calendar: Fixed in version 4.8.2
Vulnerability	Severity	CVSS	Affected versions	Published
The Events Calendar <= 4.8.1 - Cross-Site Scripting via tribe_paged Parameter CVE-2019-15109 · Source	Medium	6.1	< 4.8.2	2019-03-04

Fixed in version 4.1.1.1 (4)

The Events Calendar: Fixed in version 4.1.1.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 4.1.1 is vulnerable to Open Redirection No CVE assigned · Source	Not rated	-	< 4.1.1.1	2023-04-25
WordPress The Events Calendar Plugin <= 4.1.1 - Open Redirection No CVE assigned · Source	Not rated	-	< 4.1.1.1	2016-04-25
The Events Calendar < 4.1.1.1 - Open Redirect No CVE assigned · Source	Not rated	-	< 4.1.1.1	2016-04-25
The Events Calendar <= 4.1.1 - Open Redirect No CVE assigned · Source	Not rated	-	< 4.1.1.1	-

Fixed in version 3.0.1 (3)

The Events Calendar: Fixed in version 3.0.1
Vulnerability	Severity	CVSS	Affected versions	Published
WordPress The Events Calendar Plugin <= 3.0 is vulnerable to Cross Site Scripting (XSS) No CVE assigned · Source	Not rated	-	< 3.0.1	2023-08-01
WordPress The Events Calendar Plugin <= 3.0 - Reflected Cross Site Scripting No CVE assigned · Source	Not rated	-	< 3.0.1	2014-08-01
The Events Calendar <= 3.0 - Reflected Cross-Site Scripting (XSS) No CVE assigned · Source	Not rated	-	< 3.0.1	-

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Vulnerability data from WPVulnerability (WordPress, plugins, themes and server software). WPVulnerability data license.
CVE records are copyright The MITRE Corporation. CVE Terms of Use.
Known-exploited status from the CISA Known Exploited Vulnerabilities catalog. Public domain (U.S. Government work).
Plugin names, latest versions and install counts from the WordPress.org plugin directory. WordPress is a trademark of the WordPress Foundation; Webforta is not affiliated with or endorsed by WordPress.org, WPVulnerability or the sources above.