{"id":"CVE-2023-0526","aliases":["EUVD-2023-12571","GHSA-mwf5-cmw3-qpxg"],"status":"published","title":"Post Shortcode \u003c= 2.0.9 - Contributor+ Stored Cross-Site Scripting","description":"The Post Shortcode WordPress plugin through 2.0.9 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":0.38905,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-05-08T13:58:24Z","modified":"2026-06-17T05:25:44Z","products":[{"vendor":"post_shortcode_project","product":"post_shortcode"},{"vendor":"unknown","product":"post shortcode"}],"references":[{"url":"https://wpscan.com/vulnerability/0ec58310-243d-40c8-9fa6-8753947bfa89","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0526"},{"url":"https://github.com/advisories/GHSA-mwf5-cmw3-qpxg"}],"sources":{"cve":[{"id":"CVE-2023-0526","title":"Post Shortcode \u003c= 2.0.9 - Contributor+ Stored Cross-Site Scripting","description":"The Post Shortcode WordPress plugin through 2.0.9 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":"2023-05-08T13:58:24.79Z","modified":"2025-01-29T14:57:59.876Z","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":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-12571","description":"The Post Shortcode WordPress plugin through 2.0.9 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":"2023-05-08T13:58:24Z","modified":"2025-01-29T14:57:59Z","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":"2026-11-03T00:04:10.386162Z"}],"ghsa":[{"id":"GHSA-mwf5-cmw3-qpxg","title":"The Post Shortcode WordPress plugin through 2.0.9 does not validate and escape some of its...","description":"The Post Shortcode WordPress plugin through 2.0.9 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":"2023-05-08T15:30:19Z","modified":"2024-04-04T03:50:49Z","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":"2026-11-02T14:56:19.059216Z"}],"nvd":[{"id":"CVE-2023-0526","description":"The Post Shortcode WordPress plugin through 2.0.9 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":"2023-05-08T14:15:11.507Z","modified":"2026-06-17T05:25:44.843Z","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":"2026-11-02T14:08:01.131774Z"}]}}