{"id":"GHSA-6p8w-pc35-mqv8","aliases":["CVE-2025-48203"],"title":"[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","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output.","severity":"medium","score":5.5,"published":"2025-05-21T17:18:16.000Z","modified":"2025-05-21T19:08:09.973Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"clickstorm/cs-seo","sources":[{"name":"OSV · GHSA-6p8w-pc35-mqv8","url":"https://osv.dev/vulnerability/GHSA-6p8w-pc35-mqv8"}],"ranges":[{"events":[{"introduced":"9.0.0"},{"fixed":"9.3.0"}],"type":"ECOSYSTEM"}],"versions":["9.0.0","9.0.1","9.1.0","9.2.0"],"fixed":["9.3.0"]},{"ecosystem":"Packagist","name":"clickstorm/cs-seo","sources":[{"name":"OSV · GHSA-6p8w-pc35-mqv8","url":"https://osv.dev/vulnerability/GHSA-6p8w-pc35-mqv8"}],"ranges":[{"events":[{"introduced":"8.0.0"},{"fixed":"8.4.0"}],"type":"ECOSYSTEM"}],"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"],"fixed":["8.4.0"]},{"ecosystem":"Packagist","name":"clickstorm/cs-seo","sources":[{"name":"OSV · GHSA-6p8w-pc35-mqv8","url":"https://osv.dev/vulnerability/GHSA-6p8w-pc35-mqv8"}],"ranges":[{"events":[{"introduced":"7.0.0"},{"fixed":"7.5.0"}],"type":"ECOSYSTEM"}],"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"],"fixed":["7.5.0"]},{"ecosystem":"Packagist","name":"clickstorm/cs-seo","sources":[{"name":"OSV · GHSA-6p8w-pc35-mqv8","url":"https://osv.dev/vulnerability/GHSA-6p8w-pc35-mqv8"}],"ranges":[{"events":[{"introduced":"6.3.0"},{"fixed":"6.8.0"}],"type":"ECOSYSTEM"}],"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"],"fixed":["6.8.0"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2025-48203","https://github.com/clickstorm/cs_seo/commit/1cf6c40821102b1f1508fe4e76825569340c8f90","https://github.com/FriendsOfPHP/security-advisories/blob/master/clickstorm/cs-seo/CVE-2025-48203.yaml","https://github.com/clickstorm/cs_seo","https://typo3.org/security/advisory/typo3-ext-sa-2025-005"],"sources":[{"name":"OSV","id":"GHSA-6p8w-pc35-mqv8","modified":"2025-05-21T19:08:09.973959Z","url":"https://osv.dev/vulnerability/GHSA-6p8w-pc35-mqv8"}],"assessments":[{"source":"OSV","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","score":5.5}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T21:10:33.929Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}