{"url":"http://public2.vulnerablecode.io/api/packages/80073?format=json","purl":"pkg:composer/typo3/cms-backend@11.1.0","type":"composer","namespace":"typo3","name":"cms-backend","version":"11.1.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"11.1.1","latest_non_vulnerable_version":"14.3.0","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54226?format=json","vulnerability_id":"VCID-6urp-p9mn-cffv","summary":"Cross-site Scripting\nDatabase fields used as `_descriptionColumn_` are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-21340","reference_id":"","reference_type":"","scores":[{"value":"0.00379","scoring_system":"epss","scoring_elements":"0.59738","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-21340"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21340.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21340.yaml"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21340.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21340.yaml"},{"reference_url":"https://packagist.org/packages/typo3/cms-backend","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://packagist.org/packages/typo3/cms-backend"},{"reference_url":"https://typo3.org/security/advisory/typo3-core-sa-2021-007","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://typo3.org/security/advisory/typo3-core-sa-2021-007"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21340","reference_id":"CVE-2021-21340","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21340"},{"reference_url":"https://github.com/advisories/GHSA-fjh3-g8gq-9q92","reference_id":"GHSA-fjh3-g8gq-9q92","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-fjh3-g8gq-9q92"},{"reference_url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92","reference_id":"GHSA-fjh3-g8gq-9q92","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80075?format=json","purl":"pkg:composer/typo3/cms-backend@11.1.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@11.1.1"}],"aliases":["CVE-2021-21340","GHSA-fjh3-g8gq-9q92"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6urp-p9mn-cffv"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/54221?format=json","vulnerability_id":"VCID-jp1p-rfxa-hyd9","summary":"Cross-site Scripting\nContent elements of type `_menu_` are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-21370","reference_id":"","reference_type":"","scores":[{"value":"0.00342","scoring_system":"epss","scoring_elements":"0.57112","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-21370"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21370.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21370.yaml"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21370.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21370.yaml"},{"reference_url":"https://packagist.org/packages/typo3/cms-backend","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://packagist.org/packages/typo3/cms-backend"},{"reference_url":"https://typo3.org/security/advisory/typo3-core-sa-2021-008","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://typo3.org/security/advisory/typo3-core-sa-2021-008"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21370","reference_id":"CVE-2021-21370","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21370"},{"reference_url":"https://github.com/advisories/GHSA-x7hc-x7fm-f7qh","reference_id":"GHSA-x7hc-x7fm-f7qh","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-x7hc-x7fm-f7qh"},{"reference_url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh","reference_id":"GHSA-x7hc-x7fm-f7qh","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/80075?format=json","purl":"pkg:composer/typo3/cms-backend@11.1.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@11.1.1"}],"aliases":["CVE-2021-21370","GHSA-x7hc-x7fm-f7qh"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-jp1p-rfxa-hyd9"}],"fixing_vulnerabilities":[],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@11.1.0"}