{"id":"CVE-2024-0621","aliases":["EUVD-2024-16414","GHSA-362w-hwf4-9hcx"],"status":"published","title":"Simple Share Buttons Adder \u003c= 8.4.11 - Authenticated(Administrator+) Stored Cross-Site Scripting via CSS Settings","description":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00491,"percentile":0.42561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-02-20T18:56:37Z","modified":"2026-06-17T06:53:54Z","products":[{"vendor":"davidoffneal","product":"simple share buttons adder"},{"vendor":"simplesharebuttons","product":"simple_share_buttons_adder"},{"vendor":"unknown","product":"simple share buttons adder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/93ab9f1a-26ce-466a-a5d3-d2046ec8f94d?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3032350%40simple-share-buttons-adder\u0026new=3032350%40simple-share-buttons-adder\u0026sfp_email=\u0026sfph_mail=","tags":["x_transferred","Patch"]},{"url":"https://plugins.trac.wordpress.org/changeset/3032350/","tags":["x_transferred","Patch"]},{"url":"https://advisory.abay.sh/cve-2024-0621"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-0621"},{"url":"https://plugins.trac.wordpress.org/changeset/3032350"},{"url":"https://github.com/advisories/GHSA-362w-hwf4-9hcx"}],"sources":{"cve":[{"id":"CVE-2024-0621","title":"Simple Share Buttons Adder \u003c= 8.4.11 - Authenticated(Administrator+) Stored Cross-Site Scripting via CSS Settings","description":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2024-02-20T18:56:37.107Z","modified":"2026-04-08T17:09:43.708Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:23.193864Z"}],"euvd":[{"id":"EUVD-2024-16414","description":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2024-02-20T18:56:37Z","modified":"2026-04-08T17:09:43Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:49.011416Z"}],"ghsa":[{"id":"GHSA-362w-hwf4-9hcx","title":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2024-02-29T03:33:15Z","modified":"2026-04-08T18:33:43Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:15.041976Z"}],"nvd":[{"id":"CVE-2024-0621","description":"The Simple Share Buttons Adder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.4.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2024-02-29T01:43:23.65Z","modified":"2026-06-17T06:53:54.81Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:38.473056Z"}]}}