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Vulnerability details: VCID-jtuy-ex79-tfbu
Vulnerability ID VCID-jtuy-ex79-tfbu
Aliases CVE-2018-6905
GHSA-3w22-wrwx-2r75
Summary Typo3 XSS Vulnerability The page module in TYPO3 before 8.7.11 has 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-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
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
cvssv3.1 4.8 https://forge.typo3.org/issues/84191
generic_textual MODERATE https://forge.typo3.org/issues/84191
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
cvssv2 3.5 https://nvd.nist.gov/vuln/detail/CVE-2018-6905
cvssv3 4.8 https://nvd.nist.gov/vuln/detail/CVE-2018-6905
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
https://nvd.nist.gov/vuln/detail/CVE-2018-6905
http://www.securitytracker.com/id/1040755
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
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: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6905
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
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 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 0.83922
EPSS Score 0.02274
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:30:14.886466+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-3w22-wrwx-2r75/GHSA-3w22-wrwx-2r75.json 36.1.3