CVE-2026-0556

MediumCVSS 6.4/10Last modified Jun 17, 2026

Description

The XO Event Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'xo_event_field' 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 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.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Feb 19, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-05576.4The WP Data Access plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpda_app' shortcode in all versions u CVE-2026-05589.8A vulnerability in parisneo/lollms, up to and including version 2.2.0, allows unauthenticated users to upload and process files through the CVE-2026-05596.4The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored Cross-Site Scripting vi CVE-2026-05607.5A Server-Side Request Forgery (SSRF) vulnerability exists in parisneo/lollms versions prior to 2.2.0, specifically in the `/api/files/export CVE-2026-05616.1The Shield Security plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'message' parameter in all versions up to, CVE-2026-05628.3A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests CVE-2026-05636.4The WP Google Street View (with 360° virtual tour) & Google maps + Local SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripti CVE-2026-05659.8A weakness has been identified in code-projects Content Management System 1.0. This issue affects some unknown processing of the file /admin CVE-2026-05669.8A security vulnerability has been detected in code-projects Content Management System 1.0. Impacted is an unknown function of the file /admi CVE-2026-05679.8A vulnerability was detected in code-projects Content Management System 1.0. The affected element is an unknown function of the file /pages.CVE-2026-05689.8A flaw has been found in code-projects Online Music Site 1.0. The impacted element is an unknown function of the file /Frontend/ViewSongs.ph CVE-2026-05699.8A vulnerability has been found in code-projects Online Music Site 1.0. This affects an unknown function of the file /Frontend/AlbumByCategor