{"id":"CVE-2023-0273","aliases":["EUVD-2023-12352","GHSA-3gvp-4pqv-5jwr"],"status":"published","title":"Custom Content Shortcode \u003c= 4.0.2 - Contributor+ Stored XSS","description":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00444,"percentile":0.38904,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-03-20T15:52:21Z","modified":"2026-06-17T05:25:10Z","products":[{"vendor":"custom_content_shortcode_project","product":"custom_content_shortcode"},{"vendor":"unknown","product":"custom content shortcode"}],"references":[{"url":"https://wpscan.com/vulnerability/5cafbba6-478f-4f5d-a2d4-60c6a22f2f1e","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0273"},{"url":"https://github.com/advisories/GHSA-3gvp-4pqv-5jwr"}],"sources":{"cve":[{"id":"CVE-2023-0273","title":"Custom Content Shortcode \u003c= 4.0.2 - Contributor+ Stored XSS","description":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks","status":"published","published":"2023-03-20T15:52:21.047Z","modified":"2025-02-26T18:55:16.183Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12352","description":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks","status":"published","published":"2023-03-20T15:52:21Z","modified":"2025-02-26T18:55:16Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:22.849013Z"}],"ghsa":[{"id":"GHSA-3gvp-4pqv-5jwr","title":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of...","description":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks","status":"published","published":"2023-03-20T18:30:56Z","modified":"2023-03-31T05:07:55Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:54:25.73686Z"}],"nvd":[{"id":"CVE-2023-0273","description":"The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks","status":"published","published":"2023-03-20T16:15:11.887Z","modified":"2026-06-17T05:25:10.75Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:49.031498Z"}]}}