{"id":"CVE-2023-0489","aliases":["EUVD-2023-12538","GHSA-hx29-qp2m-x88c"],"status":"published","title":"SlideOnline \u003c= 1.2.1 - Contributor+ Stored XSS","description":"The SlideOnline WordPress plugin through 1.2.1 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":0.38899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-06-19T10:52:49Z","modified":"2026-06-17T05:25:40Z","products":[{"vendor":"slideonline_project","product":"sideonline"},{"vendor":"unknown","product":"slideonline"}],"references":[{"url":"https://wpscan.com/vulnerability/238842ee-6392-4eb2-96cb-08e4ece6fca1","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0489"},{"url":"https://github.com/advisories/GHSA-hx29-qp2m-x88c"}],"sources":{"cve":[{"id":"CVE-2023-0489","title":"SlideOnline \u003c= 1.2.1 - Contributor+ Stored XSS","description":"The SlideOnline WordPress plugin through 1.2.1 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":"2023-06-19T10:52:49.912Z","modified":"2024-12-11T21:19:55.627Z","updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12538","description":"The SlideOnline WordPress plugin through 1.2.1 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":"2023-06-19T10:52:49Z","modified":"2024-12-11T21:19:55Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"none"}],"updated_at":"2026-11-03T00:04:36.46341Z"}],"ghsa":[{"id":"GHSA-hx29-qp2m-x88c","title":"The SlideOnline WordPress plugin through 1.2.1 does not validate and escape some of its shortcode...","description":"The SlideOnline WordPress plugin through 1.2.1 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":"2023-06-19T12:30:22Z","modified":"2024-04-04T04:56:28Z","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":"2026-11-02T14:56:28.408484Z"}],"nvd":[{"id":"CVE-2023-0489","description":"The SlideOnline WordPress plugin through 1.2.1 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":"2023-06-19T11:15:09.607Z","modified":"2026-06-17T05:25:40.127Z","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"}],"updated_at":"2026-11-02T14:08:06.335469Z"}]}}