{"id":"GHSA-g4c9-qfvw-fmr4","aliases":[],"status":"published","title":"TYPO3 Cross-Site Scripting in Backend Modal Component","description":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-05-30T14:57:50Z","modified":"2024-12-05T05:43:35Z","fixes":[{"ecosystem":"Packagist","package":"typo3/cms-core","fixed_in":["8.7.21","9.5.2","7.6.32"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.7.21"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.5.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.1.0"},{"fixed":"7.6.32"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.7.21"}]}],"versions":["v8.7.10","v8.7.11","v8.7.12","v8.7.13","v8.7.14","v8.7.15","v8.7.16","v8.7.17","v8.7.18","v8.7.19","v8.7.20","v8.7.7","v8.7.8","v8.7.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.5.2"}]}],"versions":["v9.0.0","v9.1.0","v9.2.0","v9.2.1","v9.3.0","v9.3.1","v9.3.2","v9.3.3","v9.4.0","v9.5.0","v9.5.1"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.1.0"},{"fixed":"7.6.32"}]}]}],"references":[{"url":"https://github.com/TYPO3-CMS/core/commit/3c1deac4db61ac1ac4231799beb1f49c28eb2b4d","tags":["web"]},{"url":"https://github.com/TYPO3-CMS/core/commit/983ecc4ea3a841aca7ff2bb1d2f0e0318c3646b3","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2018-12-11-2.yaml","tags":["web"]},{"url":"https://typo3.org/security/advisory/typo3-core-sa-2018-007","tags":["web"]},{"url":"https://github.com/advisories/GHSA-g4c9-qfvw-fmr4"},{"url":"https://github.com/TYPO3-CMS/core","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-g4c9-qfvw-fmr4","title":"TYPO3 Cross-Site Scripting in Backend Modal Component","description":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","status":"published","published":"2024-05-30T14:57:50Z","modified":"2024-05-30T14:57:51Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:52.2286Z"}],"osv":[{"id":"GHSA-g4c9-qfvw-fmr4","title":"TYPO3 Cross-Site Scripting in Backend Modal Component","description":"Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.","status":"published","published":"2024-05-30T14:57:50Z","modified":"2024-12-05T05:43:35.590916Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:47.119724Z"}]}}