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Vulnerability details: VCID-2ypz-t2ty-c3e3
Vulnerability ID VCID-2ypz-t2ty-c3e3
Aliases CVE-2020-8091
GHSA-qvhv-pwww-53jj
Summary Typo3 Cross-Site Scripting in Flash component (ELTS) TYPO3 6.2.0 to 6.2.38 ELTS and 7.0.0 to 7.1.0 included a vulnerable external component, which could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack on a targeted system.
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 0.20946 https://api.first.org/data/v1/epss?cve=CVE-2020-8091
cvssv3.1 6.1 https://github.com/TYPO3/typo3
generic_textual MODERATE https://github.com/TYPO3/typo3
cvssv3.1 6.1 https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-WebSVGLibraryAndAPIRemoved.rst
generic_textual MODERATE https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-WebSVGLibraryAndAPIRemoved.rst
cvssv3.1 6.1 https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c
generic_textual MODERATE https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-8091
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-8091
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-8091
cvssv3.1 6.1 https://typo3.org/security/advisory/typo3-psa-2019-003
generic_textual MODERATE https://typo3.org/security/advisory/typo3-psa-2019-003
cvssv3.1 6.1 https://www.purplemet.com/blog/typo3-xss-vulnerability
generic_textual MODERATE https://www.purplemet.com/blog/typo3-xss-vulnerability
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-8091
https://github.com/TYPO3/typo3
https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-WebSVGLibraryAndAPIRemoved.rst
https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c
https://nvd.nist.gov/vuln/detail/CVE-2020-8091
https://typo3.org/security/advisory/typo3-psa-2019-003
https://typo3.org/security/advisory/typo3-psa-2019-003/
https://www.purplemet.com/blog/typo3-xss-vulnerability
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:*:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:*:*:*:*:elts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:*:*:*:*:elts:*:*:*
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/TYPO3/typo3
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-WebSVGLibraryAndAPIRemoved.rst
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c
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:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-8091
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-8091
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://typo3.org/security/advisory/typo3-psa-2019-003
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.purplemet.com/blog/typo3-xss-vulnerability
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 0.95341
EPSS Score 0.20946
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:29:05.475844+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-qvhv-pwww-53jj/GHSA-qvhv-pwww-53jj.json 36.1.3