CVE-2026-45281

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, with the knowledge of other users’ principal URL an attacker could possibly send a request to gain full access to their calendar. Therefore, the...

EUVD-2026-33706

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, with the knowledge of other users’ principal URL an attacker could possibly send a request to gain full access to their calendar. Therefore, the...

PT-2026-45525

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, with the knowledge of other users’ principal URL an attacker could possibly send a request to gain full access to their calendar. Therefore, the...

PT-2026-42545

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An authorization bypass exists in the Calendar Block. The function action get events fails to verify the canView permission on the calendar, which allows the disclosure of restricted event...

CVE-2026-6743

WebSystems WebTOTUM 2026 contains a cross-site scripting (XSS) flaw in its Calendar component. The vulnerability is triggered via an unknown function within Calendar and can be exploited remotely. Public disclosure exists, and upgrading to the fixed version released by the vendor is recommended. ...

CVE-2026-3585 The Events Calendar <= 6.15.17 - Authenticated (Author+) Arbitrary File Read via ajax_create_import

The The Events Calendar plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 6.15.17 via the 'ajaxcreateimport' function. This makes it possible for authenticated attackers, with Author-level access and above, to read the contents of arbitrary files on the...

CVE-2026-0556 XO Event Calendar <= 3.2.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'xo_event_field' shortcode

The XO Event Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'xoeventfield' shortcode in all versions up to, and including, 3.2.10 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for...

PT-2026-5831

Fishing Reservation System 7.5 contains multiple remote SQL injection vulnerabilities in admin.php, cart.php, and calendar.php that allow attackers to inject malicious SQL commands. Attackers can exploit vulnerable parameters like uid, pid, type, m, y, and code to compromise the database manageme...

CVE-2021-47857

Moodle 3.10.3 contains a persistent cross-site scripting vulnerability in the calendar event subtitle field that allows attackers to inject malicious scripts. Attackers can craft a calendar event with malicious JavaScript in the subtitle track label to execute arbitrary code when users view the...

CVE-2025-15043 The Events Calendar <= 6.15.13 - Missing Authorization to Authenticated (Subscriber+) Data Migration Control

The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'startmigration', 'cancelmigration', and 'revertmigration' functions in all versions up to, and including, 6.15.13. This makes it possible for authenticated attackers, with...

GHSA-2G22-WG49-FGV5 XWiki Full Calendar Macro vulnerable to SQL injection through Calendar.JSONService

Impact Anyone who has view rights on the Calendar.JSONService page, including guest users can exploit this vulnerability by accessing database info or starting a DoS attack. Workarounds Remove the Calendar.JSONService page. This will however break some functionalities. References Jira issue:...

CVE-2021-2034

Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite component: Tasks. Supported versions that are affected are 12.1.1-12.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Common...

CVE-2021-2115

Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite component: Tasks. Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracl...

CVE-2025-66550 Nextcloud Calendar attachments of local files are offered to downloaded

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

EUVD-2025-201444

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...

CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...

CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and submit dates in meeting proposals. The...

CVE-2025-12175

The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'tecqrcodemodal' AJAX endpoint in all versions up to, and including, 6.15.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to vi...

CVE-2025-12175 The Events Calendar <= 6.15.9 - Missing Authorization to Authenticated (Subscriber+) Draft Event Title/QR Code Exposure

The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'tecqrcodemodal' AJAX endpoint in all versions up to, and including, 6.15.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to vi...

CVE-2025-9158

The Request Tracker software is vulnerable to a Stored XSS vulnerability in calendar invitation parsing feature, which displays invitation data without HTML sanitization. XSS vulnerability allows an attacker to send a specifically crafted e-mail enabling JavaScript code execution by displaying th...