{"id":"CVE-2023-0992","aliases":["EUVD-2023-12977","GHSA-2p6c-99qx-rqfx"],"status":"published","title":"Shield Security \u003c= 17.0.17 - Unauthenticated Stored Cross-Site Scripting","description":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.93046,"percentile":0.99834,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-06-09T05:33:11Z","modified":"2026-06-17T05:26:50Z","products":[{"vendor":"getshieldsecurity","product":"shield_security"},{"vendor":"paultgoodchild","product":"shield: blocks bots, protects users, and prevents security breaches"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/162dff28-94ea-4a47-a6cb-a13317cf1a04?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://wordpress.org/plugins/wp-simple-firewall/#developers","tags":["x_transferred","Product"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=2883864%40wp-simple-firewall%2Ftrunk\u0026old=2883536%40wp-simple-firewall%2Ftrunk\u0026sfp_email=\u0026sfph_mail=","tags":["x_transferred","Patch"]},{"url":"https://www.wordfence.com/blog/2023/04/multiple-vulnerabilities-patched-in-shield-security/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0992"},{"url":"https://www.wordfence.com/blog/2023/04/multiple-vulnerabilities-patched-in-shield-security"},{"url":"https://github.com/advisories/GHSA-2p6c-99qx-rqfx"}],"sources":{"cve":[{"id":"CVE-2023-0992","title":"Shield Security \u003c= 17.0.17 - Unauthenticated Stored Cross-Site Scripting","description":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-09T05:33:11.185Z","modified":"2026-04-08T16:37:06.277Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12977","description":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-09T05:33:11Z","modified":"2026-04-08T16:37:06Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:08.354188Z"}],"ghsa":[{"id":"GHSA-2p6c-99qx-rqfx","title":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions...","description":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-09T06:30:31Z","modified":"2026-04-08T18:32:10Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:12.242992Z"}],"nvd":[{"id":"CVE-2023-0992","description":"The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-09T06:15:54.777Z","modified":"2026-06-17T05:26:50.54Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:05.329837Z"}]}}