Craft CMS has Stored XSS in Table Field via "HTML" Column Type
The advisory, in context
A stored Cross-site Scripting (XSS) vulnerability exists in the editableTable.twig component when using the html column type. The application fails to sanitize the input, allowing an attacker to execute arbitrary JavaScript when another user views a page with the malicious table field.
Prerequisites
- An administrator account
allowAdminChangesmust be enabled in production, which is against our security recommendations.
Steps to Reproduce
- Navigate to Settings → Fields and create a new field with Type: Table
- Add a Column Heading and set Column Type to
Single-line text- Note: The vulnerable Column Type is
html, but it's not available in the UI dropdown.
- Note: The vulnerable Column Type is
- In Default Values section, add a row with the following payload:
<img src=x onerror="alert('XSS')"> - Enable
Static Rows - Intercept the Save Field request using a proxy tool (e.g., Burp Suite) or use
cURLdirectly - Modify the request body and change the
types[craft-fields-Table][columns][col3][type]parameter fromsinglelinetohtml - Forward the request to save the field
- Use the field in any object (e.g. user profile fields) → then visit the any user's profile
- Notice the XSS execution
- The XSS will also trigger when an administrator attempts to edit this field, as the malicious payload is executed within the field configuration page, too.
Resources
https://github.com/craftcms/cms/commit/f5d488d9bb6eff7670ed2c2fe30e15692e92c52b
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 4.5.0-RC1 before 4.16.19
Fixed in 4.16.19
145 explicitly affected versions
4.10.0, 4.10.0-beta.1, 4.10.0-beta.2, 4.10.1, 4.10.2, 4.10.3, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.10.8, 4.11.0, 4.11.0.1, 4.11.0.2, 4.11.1, 4.11.2, 4.11.3, 4.11.4, 4.11.5, 4.12.0, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 4.12.4.1, 4.12.5, 4.12.6, 4.12.6.1, 4.12.7, 4.12.8, 4.12.9, 4.13.0, 4.13.1, 4.13.1.1, 4.13.10, 4.13.2, 4.13.3, 4.13.4, 4.13.5, 4.13.6, 4.13.7, 4.13.8, 4.13.9, 4.14.0, 4.14.0.1, 4.14.0.2, 4.14.1, 4.14.10, 4.14.11, 4.14.11.1, 4.14.12, 4.14.13, 4.14.14, 4.14.15, 4.14.2, 4.14.3, 4.14.4, 4.14.5, 4.14.6, 4.14.7, 4.14.8, 4.14.8.1, 4.14.9, 4.15.0, 4.15.0-beta.1, 4.15.0-beta.2, 4.15.0.1, 4.15.0.2, 4.15.1, 4.15.2, 4.15.3, 4.15.4, 4.15.5, 4.15.6, 4.15.6.1, 4.15.6.2, 4.15.7, 4.16.0, 4.16.1, 4.16.10, 4.16.11, 4.16.12, 4.16.13, 4.16.14, 4.16.15, 4.16.16, 4.16.17, 4.16.18, 4.16.2, 4.16.3, 4.16.4, 4.16.5, 4.16.6, 4.16.6.1, 4.16.7, 4.16.8, 4.16.9, 4.16.9.1, 4.5.0, 4.5.1, 4.5.10, 4.5.11, 4.5.11.1, 4.5.12, 4.5.13, 4.5.14, 4.5.15, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.6.1, 4.5.7, 4.5.8, 4.5.9, 4.6.0, 4.6.0-RC1, 4.6.1, 4.7.0, 4.7.1, 4.7.2, 4.7.2.1, 4.7.3, 4.7.4, 4.8.0, 4.8.1, 4.8.10, 4.8.11, 4.8.2, 4.8.3, 4.8.4, 4.8.5, 4.8.6, 4.8.7, 4.8.8, 4.8.9, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.5.0-RC1"
},
{
"fixed": "4.16.19"
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"type": "ECOSYSTEM"
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"versions": [
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"4.16.1",
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"4.16.14",
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"4.16.18",
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"4.16.3",
"4.16.4",
"4.16.5",
"4.16.6",
"4.16.6.1",
"4.16.7",
"4.16.8",
"4.16.9",
"4.16.9.1",
"4.5.0",
"4.5.1",
"4.5.10",
"4.5.11",
"4.5.11.1",
"4.5.12",
"4.5.13",
"4.5.14",
"4.5.15",
"4.5.2",
"4.5.3",
"4.5.4",
"4.5.5",
"4.5.6",
"4.5.6.1",
"4.5.7",
"4.5.8",
"4.5.9",
"4.6.0",
"4.6.0-RC1",
"4.6.1",
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"4.9.2",
"4.9.3",
"4.9.4",
"4.9.5",
"4.9.6",
"4.9.7"
]
}From 5.0.0-RC1 before 5.8.23
Fixed in 5.8.23
144 explicitly affected versions
5.0.0, 5.0.0-RC1, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.1.0, 5.1.1, 5.1.10, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.1.7, 5.1.8, 5.1.9, 5.2.0, 5.2.0-beta.1, 5.2.0-beta.2, 5.2.0-beta.3, 5.2.0-beta.4, 5.2.0-beta.5, 5.2.0-beta.6, 5.2.1, 5.2.10, 5.2.2, 5.2.3, 5.2.4, 5.2.4.1, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9, 5.3.0, 5.3.0-beta.1, 5.3.0-beta.2, 5.3.0.1, 5.3.0.2, 5.3.0.3, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.6, 5.4.0, 5.4.0.1, 5.4.1, 5.4.10, 5.4.10.1, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.5.1, 5.4.6, 5.4.7, 5.4.7.1, 5.4.8, 5.4.9, 5.5.0, 5.5.0.1, 5.5.1, 5.5.1.1, 5.5.10, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.5.6, 5.5.6.1, 5.5.7, 5.5.8, 5.5.9, 5.6.0, 5.6.0.1, 5.6.0.2, 5.6.1, 5.6.10, 5.6.10.1, 5.6.10.2, 5.6.11, 5.6.12, 5.6.13, 5.6.14, 5.6.15, 5.6.16, 5.6.17, 5.6.2, 5.6.3, 5.6.4, 5.6.5, 5.6.5.1, 5.6.6, 5.6.7, 5.6.8, 5.6.9, 5.6.9.1, 5.7.0, 5.7.0-beta.1, 5.7.0-beta.2, 5.7.1, 5.7.1.1, 5.7.10, 5.7.11, 5.7.2, 5.7.3, 5.7.4, 5.7.5, 5.7.6, 5.7.7, 5.7.8, 5.7.8.1, 5.7.8.2, 5.7.9, 5.8.0, 5.8.1, 5.8.10, 5.8.11, 5.8.12, 5.8.13, 5.8.13.1, 5.8.13.2, 5.8.14, 5.8.15, 5.8.16, 5.8.17, 5.8.18, 5.8.19, 5.8.2, 5.8.20, 5.8.21, 5.8.22, 5.8.3, 5.8.4, 5.8.5, 5.8.6, 5.8.7, 5.8.8, 5.8.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.0.0-RC1"
},
{
"fixed": "5.8.23"
}
],
"type": "ECOSYSTEM"
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],
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}