Typo3 Cross-Site Scripting in Flash component (ELTS)
The advisory, in context
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.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
From 7.0.0 before 7.2.0
Fixed in 7.2.0
4 explicitly affected versions
7.0.0, 7.0.1, 7.0.2, 7.1.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.2.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.0.0",
"7.0.1",
"7.0.2",
"7.1.0"
]
}From 6.2.0 before 6.2.39
Fixed in 6.2.39
33 explicitly affected versions
6.2.0, 6.2.1, 6.2.10, 6.2.10-rc1, 6.2.11, 6.2.12, 6.2.13, 6.2.14, 6.2.15, 6.2.16, 6.2.17, 6.2.18, 6.2.19, 6.2.2, 6.2.20, 6.2.21, 6.2.22, 6.2.23, 6.2.24, 6.2.25, 6.2.26, 6.2.27, 6.2.28, 6.2.29, 6.2.3, 6.2.30, 6.2.31, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.39"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.2.0",
"6.2.1",
"6.2.10",
"6.2.10-rc1",
"6.2.11",
"6.2.12",
"6.2.13",
"6.2.14",
"6.2.15",
"6.2.16",
"6.2.17",
"6.2.18",
"6.2.19",
"6.2.2",
"6.2.20",
"6.2.21",
"6.2.22",
"6.2.23",
"6.2.24",
"6.2.25",
"6.2.26",
"6.2.27",
"6.2.28",
"6.2.29",
"6.2.3",
"6.2.30",
"6.2.31",
"6.2.4",
"6.2.5",
"6.2.6",
"6.2.7",
"6.2.8",
"6.2.9"
]
}References
- https://nvd.nist.gov/vuln/detail/CVE-2020-8091
- https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c
- https://github.com/TYPO3/typo3
- https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-WebSVGLibraryAndAPIRemoved.rst
- https://typo3.org/security/advisory/typo3-psa-2019-003
- https://www.purplemet.com/blog/typo3-xss-vulnerability