{"id":"CVE-2020-15241","aliases":["BIT-typo3-2020-15241","GHSA-7733-hjv6-4h47"],"url":"https://o3.security/vulnerability/CVE-2020-15241","summary":"Cross-Site Scripting in ternary conditional operator","details":"> ### Meta\n> * CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C`(5.0)\n> * CWE-79\n\n---\n\n:information_source:  This vulnerability has been fixed in May 2019 already, CVE and GHSA were assigned later in October 2020\n\n---\n\n### Problem\nIt has been discovered that the Fluid Engine (package `typo3fluid/fluid`) is vulnerable to cross-site scripting when making use of the ternary conditional operator in templates like the following.\n\n```\n{showFullName ? fullName : defaultValue}\n```\n\n### Solution\nUpdate to versions 2.0.5, 2.1.4, 2.2.1, 2.3.5, 2.4.1, 2.5.5 or 2.6.1 of this `typo3fluid/fluid` package that fix the problem described.\n\nUpdated versions of this package are bundled in following TYPO3 (`typo3/cms-core`) releases:\n* TYPO3 v8.7.25 (using `typo3fluid/fluid` v2.5.5)\n* TYPO3 v9.5.6 (using `typo3fluid/fluid` v2.6.1)\n\n### Credits\nThanks to Bill Dagou who reported this issue and to TYPO3 core merger Claus Due who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2019-013](https://typo3.org/security/advisory/typo3-core-sa-2019-013)","published":"2020-10-08T21:15:10.167Z","modified":"2026-08-27T03:49:10.097942786Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.0.5"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.1.4"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.2.1"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.3.5"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.4.1"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.5.5"},{"ecosystem":"Packagist","name":"typo3fluid/fluid","fixedVersion":"2.6.1"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"8.7.25"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"9.5.6"},{"ecosystem":"Packagist","name":"typo3/cms","fixedVersion":"8.7.25"},{"ecosystem":"Packagist","name":"typo3/cms","fixedVersion":"9.5.6"}],"fix":{"url":"https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d","label":"TYPO3/Fluid@9ef6a8f"},"references":[{"type":"FIX","url":"https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d"},{"type":"EVIDENCE","url":"https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47"},{"type":"EVIDENCE","url":"https://typo3.org/security/advisory/typo3-core-sa-2019-013"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15241"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-15241.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-15241.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3fluid/fluid/CVE-2020-15241.yaml"},{"type":"PACKAGE","url":"https://github.com/TYPO3/Fluid"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:49:10.097942786Z"}}