CVE-2023-24539
Vulnerability from cvelistv5
Published
2023-05-11 15:29
Modified
2024-11-29 12:04
Severity ?
Summary
Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.
Impacted products
Vendor Product Version
Show details on NVD website


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          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "html/template",
          "product": "html/template",
          "programRoutines": [
            {
              "name": "cssValueFilter"
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            {
              "name": "escaper.commit"
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            {
              "name": "Template.Execute"
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            {
              "name": "Template.ExecuteTemplate"
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          "vendor": "Go standard library",
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          "value": "Juho Nurminen of Mattermost"
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          "value": "Angle brackets (\u003c\u003e) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a \u0027/\u0027 character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input."
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      "title": "Improper sanitization of CSS values in html/template"
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    "dateReserved": "2023-01-25T21:19:20.642Z",
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