{"id":"CVE-2021-35210","details":"Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.","aliases":["GHSA-h58v-c6rf-g9f7"],"modified":"2026-08-07T17:02:18.620573Z","published":"2021-06-23T11:15:08.170Z","references":[{"type":"ADVISORY","url":"https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html"},{"type":"ADVISORY","url":"https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/contao/contao","events":[{"introduced":"b09b4d51d13d37b4bfcd2ef4314fc6a20184dc55"},{"fixed":"53bac8ab1a1fab41e039321ba0ec6ee4f4b45fb2"},{"introduced":"5a25b1d689ffde95a00427bdfde03695a2c645c3"},{"fixed":"b884e57060ce4897bf78c11b252466f80a4a0908"}],"database_specific":{"cpe":"cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.5.0"},{"fixed":"4.9.16"},{"introduced":"4.10.0"},{"fixed":"4.11.5"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35210.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}