{"id":"CVE-2021-34654","aliases":["EUVD-2021-21304","GHSA-f34w-5762-5m84"],"status":"published","title":"Custom Post Type Relations \u003c= 1.0 Reflected Cross-Site Scripting","description":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the cptr[name] parameter found in the ~/pages/admin-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00895,"percentile":0.59823,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-16T18:22:29Z","modified":"2026-06-17T03:56:18Z","products":[{"vendor":"custom post type relations","product":"custom post type relations"},{"vendor":"custom_post_type_relations_project","product":"custom_post_type_relations"}],"references":[{"url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34654","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/custom-post-type-relations/trunk/pages/admin-page.php#L60","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34654"},{"url":"https://github.com/advisories/GHSA-f34w-5762-5m84"}],"sources":{"cve":[{"id":"CVE-2021-34654","title":"Custom Post Type Relations \u003c= 1.0 Reflected Cross-Site Scripting","description":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the cptr[name] parameter found in the ~/pages/admin-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.","status":"published","published":"2021-08-16T18:22:29.437Z","modified":"2025-05-05T18:43:27.93Z","cvss":[{"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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21304","description":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the cptr[name] parameter found in the ~/pages/admin-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.","status":"published","published":"2021-08-16T18:22:29Z","modified":"2025-05-05T18:43:27Z","cvss":[{"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"}],"updated_at":"2026-11-02T20:32:55.242615Z"}],"ghsa":[{"id":"GHSA-f34w-5762-5m84","title":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting...","description":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the cptr[name] parameter found in the ~/pages/admin-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.","status":"published","published":"2022-05-24T19:11:12Z","modified":"2023-01-30T05:01:35Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:26.483285Z"}],"nvd":[{"id":"CVE-2021-34654","description":"The Custom Post Type Relations WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the cptr[name] parameter found in the ~/pages/admin-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.","status":"published","published":"2021-08-16T19:15:14.927Z","modified":"2026-06-17T03:56:18.713Z","cvss":[{"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":"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"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}