Cross-Site Scripting in Page Preview
The advisory, in context
Meta
- CVSS:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC(5.0)
Problem
Failing to properly encode Page TSconfig settings, corresponding page preview module (Web>View) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability.
Solution
Update to TYPO3 versions 9.5.28, 10.4.18, 11.3.1 that fix the problem described.
Credits
Thanks to TYPO3 core merger Oliver Bartsch who reported and fixed the issue.
References
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 9.0.0 before 9.5.28
Fixed in 9.5.28
37 explicitly affected versions
v9.0.0, v9.1.0, v9.2.0, v9.2.1, v9.3.0, v9.3.1, v9.3.2, v9.3.3, v9.4.0, v9.5.0, v9.5.1, v9.5.10, v9.5.11, v9.5.12, v9.5.13, v9.5.14, v9.5.15, v9.5.16, v9.5.17, v9.5.18, v9.5.19, v9.5.2, v9.5.20, v9.5.21, v9.5.22, v9.5.23, v9.5.24, v9.5.25, v9.5.26, v9.5.27, v9.5.3, v9.5.4, v9.5.5, v9.5.6, v9.5.7, v9.5.8, v9.5.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.5.28"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v9.0.0",
"v9.1.0",
"v9.2.0",
"v9.2.1",
"v9.3.0",
"v9.3.1",
"v9.3.2",
"v9.3.3",
"v9.4.0",
"v9.5.0",
"v9.5.1",
"v9.5.10",
"v9.5.11",
"v9.5.12",
"v9.5.13",
"v9.5.14",
"v9.5.15",
"v9.5.16",
"v9.5.17",
"v9.5.18",
"v9.5.19",
"v9.5.2",
"v9.5.20",
"v9.5.21",
"v9.5.22",
"v9.5.23",
"v9.5.24",
"v9.5.25",
"v9.5.26",
"v9.5.27",
"v9.5.3",
"v9.5.4",
"v9.5.5",
"v9.5.6",
"v9.5.7",
"v9.5.8",
"v9.5.9"
]
}From 10.0.0 before 10.4.18
Fixed in 10.4.18
24 explicitly affected versions
v10.0.0, v10.1.0, v10.2.0, v10.2.1, v10.2.2, v10.3.0, v10.4.0, v10.4.1, v10.4.10, v10.4.11, v10.4.12, v10.4.13, v10.4.14, v10.4.15, v10.4.16, v10.4.17, v10.4.2, v10.4.3, v10.4.4, v10.4.5, v10.4.6, v10.4.7, v10.4.8, v10.4.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.4.18"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v10.0.0",
"v10.1.0",
"v10.2.0",
"v10.2.1",
"v10.2.2",
"v10.3.0",
"v10.4.0",
"v10.4.1",
"v10.4.10",
"v10.4.11",
"v10.4.12",
"v10.4.13",
"v10.4.14",
"v10.4.15",
"v10.4.16",
"v10.4.17",
"v10.4.2",
"v10.4.3",
"v10.4.4",
"v10.4.5",
"v10.4.6",
"v10.4.7",
"v10.4.8",
"v10.4.9"
]
}From 11.0.0 before 11.3.1
Fixed in 11.3.1
5 explicitly affected versions
v11.0.0, v11.1.0, v11.1.1, v11.2.0, v11.3.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v11.0.0",
"v11.1.0",
"v11.1.1",
"v11.2.0",
"v11.3.0"
]
}From 10.0.0 before 10.4.18
Fixed in 10.4.18
24 explicitly affected versions
v10.0.0, v10.1.0, v10.2.0, v10.2.1, v10.2.2, v10.3.0, v10.4.0, v10.4.1, v10.4.10, v10.4.11, v10.4.12, v10.4.13, v10.4.14, v10.4.15, v10.4.16, v10.4.17, v10.4.2, v10.4.3, v10.4.4, v10.4.5, v10.4.6, v10.4.7, v10.4.8, v10.4.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "10.0.0"
},
{
"fixed": "10.4.18"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v10.0.0",
"v10.1.0",
"v10.2.0",
"v10.2.1",
"v10.2.2",
"v10.3.0",
"v10.4.0",
"v10.4.1",
"v10.4.10",
"v10.4.11",
"v10.4.12",
"v10.4.13",
"v10.4.14",
"v10.4.15",
"v10.4.16",
"v10.4.17",
"v10.4.2",
"v10.4.3",
"v10.4.4",
"v10.4.5",
"v10.4.6",
"v10.4.7",
"v10.4.8",
"v10.4.9"
]
}From 11.0.0 before 11.3.1
Fixed in 11.3.1
5 explicitly affected versions
v11.0.0, v11.1.0, v11.1.1, v11.2.0, v11.3.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v11.0.0",
"v11.1.0",
"v11.1.1",
"v11.2.0",
"v11.3.0"
]
}From 9.0.0 before 9.5.28
Fixed in 9.5.28
37 explicitly affected versions
v9.0.0, v9.1.0, v9.2.0, v9.2.1, v9.3.0, v9.3.1, v9.3.2, v9.3.3, v9.4.0, v9.5.0, v9.5.1, v9.5.10, v9.5.11, v9.5.12, v9.5.13, v9.5.14, v9.5.15, v9.5.16, v9.5.17, v9.5.18, v9.5.19, v9.5.2, v9.5.20, v9.5.21, v9.5.22, v9.5.23, v9.5.24, v9.5.25, v9.5.26, v9.5.27, v9.5.3, v9.5.4, v9.5.5, v9.5.6, v9.5.7, v9.5.8, v9.5.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.5.28"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v9.0.0",
"v9.1.0",
"v9.2.0",
"v9.2.1",
"v9.3.0",
"v9.3.1",
"v9.3.2",
"v9.3.3",
"v9.4.0",
"v9.5.0",
"v9.5.1",
"v9.5.10",
"v9.5.11",
"v9.5.12",
"v9.5.13",
"v9.5.14",
"v9.5.15",
"v9.5.16",
"v9.5.17",
"v9.5.18",
"v9.5.19",
"v9.5.2",
"v9.5.20",
"v9.5.21",
"v9.5.22",
"v9.5.23",
"v9.5.24",
"v9.5.25",
"v9.5.26",
"v9.5.27",
"v9.5.3",
"v9.5.4",
"v9.5.5",
"v9.5.6",
"v9.5.7",
"v9.5.8",
"v9.5.9"
]
}References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf
- https://github.com/TYPO3/typo3/security/advisories/GHSA-8mq9-fqv8-59wf
- https://nvd.nist.gov/vuln/detail/CVE-2021-32667
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32667.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32667.yaml
- https://github.com/TYPO3/typo3
- https://typo3.org/security/advisory/typo3-core-sa-2021-009