{"id":"CVE-2026-2509","aliases":["EUVD-2026-20465","GHSA-x727-7jhm-cmg5"],"status":"published","title":"Page Builder: Pagelayer \u003c= 2.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Button Widget Custom Attributes","description":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayer_xss_content' XSS filtering function, which blocks common, but not all, event handlers. 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.","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":"2026-11-10","score":0.00351,"percentile":0.28994,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-08T13:26:00Z","modified":"2026-07-25T10:10:00Z","products":[{"vendor":"softaculous","product":"page builder: pagelayer – drag and drop website builder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/915c119d-2bae-4ea6-babb-7e8e99054cd0?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/pagelayer/trunk/main/functions.php#L1293"},{"url":"https://plugins.trac.wordpress.org/browser/pagelayer/trunk/main/shortcode_functions.php#L689"},{"url":"https://plugins.trac.wordpress.org/changeset/3479046/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2509"},{"url":"https://plugins.trac.wordpress.org/changeset/3479046"},{"url":"https://github.com/advisories/GHSA-x727-7jhm-cmg5"}],"sources":{"cve":[{"id":"CVE-2026-2509","title":"Page Builder: Pagelayer \u003c= 2.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Button Widget Custom Attributes","description":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayer_xss_content' XSS filtering function, which blocks common, but not all, event handlers. 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.","status":"published","published":"2026-04-08T13:26:00.333Z","modified":"2026-04-08T17:09:13.112Z","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":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-20465","description":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayer_xss_content' XSS filtering function, which blocks common, but not all, event handlers. 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.","status":"published","published":"2026-04-08T13:26:00Z","modified":"2026-04-08T17:09:13Z","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":"2026-11-02T19:24:49.380512Z"}],"ghsa":[{"id":"GHSA-x727-7jhm-cmg5","title":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via...","description":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayer_xss_content' XSS filtering function, which blocks common, but not all, event handlers. 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.","status":"published","published":"2026-04-08T15:31:44Z","modified":"2026-04-08T15:31:50Z","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":"2026-11-02T15:07:12.242992Z"}],"nvd":[{"id":"CVE-2026-2509","description":"The Page Builder: Pagelayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button widget's Custom Attributes field in all versions up to, and including, 2.0.8. This is due to an incomplete event handler blocklist in the 'pagelayer_xss_content' XSS filtering function, which blocks common, but not all, event handlers. 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.","status":"published","published":"2026-04-08T14:16:27.693Z","modified":"2026-07-25T10:10:00.167Z","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":"2026-11-02T14:12:13.535987Z"}]}}