Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-nwxj-3ajk-rkh5
Vulnerability ID VCID-nwxj-3ajk-rkh5
Aliases CVE-2018-6905
GHSA-3w22-wrwx-2r75
Summary Cross-site Scripting The page module in TYPO3 is vulnerable to XSS via `$GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']`, as demonstrated by an admin entering a crafted site name during the installation process.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
epss 0.02274 https://api.first.org/data/v1/epss?cve=CVE-2018-6905
cvssv3.1 4.8 https://forge.typo3.org/issues/84191
generic_textual MODERATE https://forge.typo3.org/issues/84191
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-3w22-wrwx-2r75
cvssv3.1 4.8 https://github.com/pradeepjairamani/TYPO3-XSS-POC
generic_textual MODERATE https://github.com/pradeepjairamani/TYPO3-XSS-POC
cvssv3.1 4.8 https://github.com/TYPO3/typo3/commit/d2c0ea7db3b31a796a82f9d39f77f9983beb7c35
generic_textual MODERATE https://github.com/TYPO3/typo3/commit/d2c0ea7db3b31a796a82f9d39f77f9983beb7c35
cvssv3.1 4.8 https://nvd.nist.gov/vuln/detail/CVE-2018-6905
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-6905
cvssv3.1 4.8 http://www.securitytracker.com/id/1040755
generic_textual MODERATE http://www.securitytracker.com/id/1040755
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-6905
https://forge.typo3.org/issues/84191
https://github.com/pradeepjairamani/TYPO3-XSS-POC
https://github.com/TYPO3/typo3/commit/d2c0ea7db3b31a796a82f9d39f77f9983beb7c35
http://www.securitytracker.com/id/1040755
CVE-2018-6905 https://nvd.nist.gov/vuln/detail/CVE-2018-6905
GHSA-3w22-wrwx-2r75 https://github.com/advisories/GHSA-3w22-wrwx-2r75
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://forge.typo3.org/issues/84191
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/pradeepjairamani/TYPO3-XSS-POC
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/TYPO3/typo3/commit/d2c0ea7db3b31a796a82f9d39f77f9983beb7c35
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6905
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at http://www.securitytracker.com/id/1040755
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.84584
EPSS Score 0.02274
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:47:38.963115+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2018-6905.yml 38.0.0