{"id":"CVE-2025-4420","aliases":["EUVD-2025-16713","GHSA-g47q-4gcv-4qvr"],"status":"published","title":"Vayu Blocks \u003c= 1.3.1 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting via containerWidth Parameter","description":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00301,"percentile":0.23131,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-06-03T08:21:53Z","modified":"2026-06-17T09:33:13Z","products":[{"vendor":"themehunk","product":"vayu blocks – website builder for the block editor"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/db01bc0a-4508-4fb5-941d-3f1a52528e2b?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/vayu-blocks/trunk/inc/admin-api.php#L6"},{"url":"https://wordpress.org/plugins/vayu-blocks/#developers"},{"url":"https://plugins.trac.wordpress.org/changeset/3303594/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4420"},{"url":"https://plugins.trac.wordpress.org/changeset/3303594"},{"url":"https://github.com/advisories/GHSA-g47q-4gcv-4qvr"}],"sources":{"cve":[{"id":"CVE-2025-4420","title":"Vayu Blocks \u003c= 1.3.1 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting via containerWidth Parameter","description":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-06-03T08:21:53.379Z","modified":"2026-04-08T17:27:28.775Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:48.167635Z"}],"euvd":[{"id":"EUVD-2025-16713","description":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-06-03T08:21:53Z","modified":"2026-04-08T17:27:28Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:37.761544Z"}],"ghsa":[{"id":"GHSA-g47q-4gcv-4qvr","title":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable...","description":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-06-03T09:32:06Z","modified":"2025-06-03T09:32:16Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:32.612356Z"}],"nvd":[{"id":"CVE-2025-4420","description":"The Vayu Blocks – Gutenberg Blocks for WordPress \u0026 WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘containerWidth’ parameter in all versions up to, and including, 1.3.1 due to a missing capability check on the vayu_blocks_option_panel_callback() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-06-03T09:15:22.673Z","modified":"2026-06-17T09:33:13.123Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:10.143444Z"}]}}