{"id":"CVE-2025-48203","aliases":["EUVD-2025-16027","GHSA-6p8w-pc35-mqv8"],"status":"published","title":"[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability","description":"The cs_seo extension through 9.2.0 for TYPO3 allows XSS.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00248,"percentile":0.16204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2025-05-21T00:00:00Z","modified":"2026-06-17T09:29:17Z","fixes":[{"ecosystem":"Packagist","package":"clickstorm/cs-seo","fixed_in":["9.3.0","8.4.0","7.5.0","6.8.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.3.0"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.4.0"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.5.0"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.8.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.3.0"}]}],"versions":["9.0.0","9.0.1","9.1.0","9.2.0"]},{"source":"osv","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.4.0"}]}],"versions":["8.0.0","8.0.1","8.1.0","8.1.1","8.1.2","8.2.0","8.2.1","8.3.0"]},{"source":"osv","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.5.0"}]}],"versions":["7.0.0","7.0.1","7.1.0","7.2.0","7.2.1","7.3.0","7.3.1","7.3.2","7.3.3","7.4.0"]},{"source":"osv","ecosystem":"Packagist","package":"clickstorm/cs-seo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.8.0"}]}],"versions":["6.3.0","6.3.1","6.3.2","6.4.0","6.4.1","6.5.0","6.6.0","6.7.0"]}],"products":[{"vendor":"typo3","product":"cs seo extension"}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2025-005","tags":["web"]},{"url":"https://github.com/clickstorm/cs_seo/commit/1cf6c40821102b1f1508fe4e76825569340c8f90","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/clickstorm/cs-seo/CVE-2025-48203.yaml","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48203","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6p8w-pc35-mqv8"},{"url":"https://github.com/clickstorm/cs_seo","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-48203","description":"The cs_seo extension through 9.2.0 for TYPO3 allows XSS.","status":"published","published":"2025-05-21T00:00:00Z","modified":"2025-05-21T19:53:27.526Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:41.41198Z"}],"euvd":[{"id":"EUVD-2025-16027","description":"The cs_seo extension through 9.2.0 for TYPO3 allows XSS.","status":"published","published":"2025-05-21T00:00:00Z","modified":"2025-05-21T19:53:27Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:41.053396Z"}],"ghsa":[{"id":"GHSA-6p8w-pc35-mqv8","title":"[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability","description":"Cross-site scripting (XSS) vulnerability in the [clickstorm] SEO (cs_seo) TYPO3 extension allows backend users to execute arbitrary script via the JSON-LD output.","status":"published","published":"2025-05-21T17:18:16Z","modified":"2025-05-21T19:05:01Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:43.998596Z"}],"nvd":[{"id":"CVE-2025-48203","description":"The cs_seo extension through 9.2.0 for TYPO3 allows XSS.","status":"published","published":"2025-05-21T16:15:32.647Z","modified":"2026-06-17T09:29:17.607Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:09.125937Z"}],"osv":[{"id":"GHSA-6p8w-pc35-mqv8","title":"[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability","description":"Cross-site scripting (XSS) vulnerability in the [clickstorm] SEO (cs_seo) TYPO3 extension allows backend users to execute arbitrary script via the JSON-LD output.","status":"published","published":"2025-05-21T17:18:16Z","modified":"2025-05-21T19:08:09.973959Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:39.965326Z"}]}}
