{"cve":"CVE-2023-47127","nvd":{"published":"2023-11-14T20:15:08.230","modified":"2026-06-17T06:32:12.710","status":"Modified","description":"TYPO3 is an open source PHP based web content management system released under the GNU GPL. In typo3 installations there are always at least two different sites. Eg. first.example.org and second.example.com. In affected versions a session cookie generated for the first site can be reused on the second site without requiring additional authentication. This vulnerability has been addressed in versions 8.7.55, 9.5.44, 10.4.41, 11.5.33, and 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-287","CWE-302"],"references":["https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019","https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm","https://typo3.org/security/advisory/typo3-core-sa-2023-006","https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019","https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm"],"products":["typo3:typo3"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-47127","score":0.00561,"percentile":0.46677,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}