Django REST framework

Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:composer/typo3/cms-backend@9.5.11
Typecomposer
Namespacetypo3
Namecms-backend
Version9.5.11
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version9.5.25
Latest_non_vulnerable_version14.3.0
Affected_by_vulnerabilities
0
url VCID-jp1p-rfxa-hyd9
vulnerability_id VCID-jp1p-rfxa-hyd9
summary 
Cross-site Scripting
Content 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
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-21370
reference_id
reference_type
scores
0
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
1
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21370.yaml
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21370.yaml
2
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21370.yaml
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21370.yaml
3
reference_url https://packagist.org/packages/typo3/cms-backend
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://packagist.org/packages/typo3/cms-backend
4
reference_url https://typo3.org/security/advisory/typo3-core-sa-2021-008
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://typo3.org/security/advisory/typo3-core-sa-2021-008
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-21370
reference_id CVE-2021-21370
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2021-21370
6
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
7
reference_url https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh
reference_id GHSA-x7hc-x7fm-f7qh
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh
fixed_packages
0
url pkg:composer/typo3/cms-backend@9.5.25
purl pkg:composer/typo3/cms-backend@9.5.25
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@9.5.25
1
url pkg:composer/typo3/cms-backend@10.4.14
purl pkg:composer/typo3/cms-backend@10.4.14
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@10.4.14
2
url pkg:composer/typo3/cms-backend@11.1.1
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_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:composer/typo3/cms-backend@9.5.11